20 Best Bluetooth Usb Adapter Mac [2024]

Are you looking for the best Bluetooth Usb Adapter Mac? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Bluetooth Usb Adapter Mac.

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1 Hideez Smart USB Bluetooth Adapter for macOS & Windows 10/11 – Low Energy, Long Range, Micro... Hideez Smart USB Bluetooth Adapter for macOS & Windows 10/11 – Low Energy, Long Range, Micro...
2 TP-Link USB Bluetooth Adapter for PC(UB400), 4.0 Bluetooth Dongle Receiver Support Windows... TP-Link USB Bluetooth Adapter for PC(UB400), 4.0 Bluetooth Dongle Receiver Support Windows...
3 TP-Link USB WiFi Adapter for PC(TL-WN725N), N150 Wireless Network Adapter for Desktop - Nano Size... TP-Link USB WiFi Adapter for PC(TL-WN725N), N150 Wireless Network Adapter for Desktop - Nano Size...
4 Kinivo USB Bluetooth Adapter for PC BTD-400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible... Kinivo USB Bluetooth Adapter for PC BTD-400 (Bluetooth 4.0 Dongle Receiver, Low Energy) -...
5 1Mii USB Bluetooth Adapter for PC Bluetooth 5.0 Audio Transmitter, Dual Link USB Audio Adapter with... 1Mii USB Bluetooth Adapter for PC Bluetooth 5.0 Audio Transmitter, Dual Link USB Audio Adapter...
6 EDUP USB Bluetooth 4.2 WiFi Adapter AC 600Mbps for PC, Wireless Wi-Fi Dongle Dual Band 2.4G/5.8G... EDUP USB Bluetooth 4.2 WiFi Adapter AC 600Mbps for PC, Wireless Wi-Fi Dongle Dual Band 2.4G/5.8G...
7 StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth... StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth...
8 EDUP USB WiFi Bluetooth Adapter, 600Mbps Dual Band 2.4/5Ghz 2 in 1 WiFi Bluetooth 4.2 Adapter... EDUP USB WiFi Bluetooth Adapter, 600Mbps Dual Band 2.4/5Ghz 2 in 1 WiFi Bluetooth 4.2 Adapter...
9 Avantree DG60 Long Range Bluetooth 5.0 USB Audio Adapter for PC Laptop Mac PS4 PS5 Linux, Superior... Avantree DG60 Long Range Bluetooth 5.0 USB Audio Adapter for PC Laptop Mac PS4 PS5 Linux,...
10 Avantree Leaf Class 1 Long Range USB Bluetooth Audio Adapter for PS4 PS5 PC Laptop Mac Linux Switch,... Avantree Leaf Class 1 Long Range USB Bluetooth Audio Adapter for PS4 PS5 PC Laptop Mac Linux...
11 FastSnail 8Bitdo Wireless Controller Adapter Converter Compatible with Nintendo Switch/OLED, for... FastSnail 8Bitdo Wireless Controller Adapter Converter Compatible with Nintendo Switch/OLED, for...
12 Jabra Evolve 75 UC Wireless Headset, Stereo – Includes Link 370 USB Adapter and Charging Stand –... Jabra Evolve 75 UC Wireless Headset, Stereo – Includes Link 370 USB Adapter and Charging Stand...
13 Square (Shape Trilogy) Square (Shape Trilogy)
14 Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 1TB Hard Drive, Mac OS... Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 1TB Hard Drive, Mac...
15 Victrola Vintage 3-Speed Bluetooth Portable Suitcase Record Player with Built-in Speakers | Upgraded... Victrola Vintage 3-Speed Bluetooth Portable Suitcase Record Player with Built-in Speakers |...
16 KenSera 8Bitdo Wireless Controller USB Adapter 2 Gamepad Receiver Mini USB Switch Converter... KenSera 8Bitdo Wireless Controller USB Adapter 2 Gamepad Receiver Mini USB Switch Converter...
17 Mac Mini (M1) User Guide for Seniors: A Step-By-Step Manual to Master Apple Mini Computer Mac Mini (M1) User Guide for Seniors: A Step-By-Step Manual to Master Apple Mini Computer
18 Roku Roku
19 Razer Kraken Tournament Edition THX 7.1 Surround Sound Gaming Headset: Retractable Noise Cancelling... Razer Kraken Tournament Edition THX 7.1 Surround Sound Gaming Headset: Retractable Noise...
20 USB WiFi Bluetooth Adapter, 600Mbps Dual Band 2.4/5Ghz Wireless Network External Receiver, Mini WiFi... USB WiFi Bluetooth Adapter, 600Mbps Dual Band 2.4/5Ghz Wireless Network External Receiver, Mini...
Bestseller No. 1
Hideez Smart USB Bluetooth Adapter for macOS & Windows 10/11 – Low Energy, Long Range, Micro...
  • MAC AND WINDOWS COMPATIBILITY. Connect your smartphone, tablet, mouse, keyboard, game controller or other Bluetooth devices to Mac or Windows PC. The...
  • BLE TECHNOLOGY. Bluetooth 4.0 (Bluetooth Low Energy) technology offers extremely low power consumption
  • FAST SPEED, BROAD COVERAGE. Wireless range of up to 65 feet / 20 meters (Please ensure your devices support the range!)
  • SUPERIOR QUALITY AND RELIABILITY. Сompact design for seamless usage and portability. Interface compatibilty USB 2.0 and 3.0 with gold plated...
  • WARRANTY AND SUPPORT. One year limited warranty and 24/7 customer support (contact us at [email protected]).
SaleBestseller No. 2
TP-Link USB Bluetooth Adapter for PC(UB400), 4.0 Bluetooth Dongle Receiver Support Windows...
  • NOTE: The item is compatible with windows 11/10/8.1/8/7/XP. However, on the box there is limited space so the manufacturer do not list all of the...
  • Bluetooth 4.0 – applies the latest Bluetooth 4.0 and it is backward compatible with Bluetooth V3.0/2.1/2.0/1.1. Ub400 turns non-Bluetooth PC or...
  • Plug & play or free driver – plug and play for Win 8, 8.1, 10, and 11. Supports Win7, XP (driver required for Win7, XP and could be downloaded from...
  • Nano-sized – a sleek, ultra-small design means you can insert the Nano adapter into any USB port and simply keep it there, no matter when you are...
  • Reliability – enable wireless communication with Bluetooth-enabled computers, printers, phones and headsets. Utilize Bluetooth low energy)...
Bestseller No. 3
TP-Link USB WiFi Adapter for PC(TL-WN725N), N150 Wireless Network Adapter for Desktop - Nano Size...
  • USB Wi-Fi Adapter: Upgrade your Wi-Fi speeds up to 150 Mbps for lag free video streaming and Internet calls
  • Stronger Wi Fi Coverage: 2.4GHz band Wi Fi covers your house everywhere
  • Mini Design: allows you to plug it in and forget it is even there; Wireless modes ad hoc/ infrastructure mode; Wireless security supports 64/128 WEP,...
  • Industry leading support: 2 Year and Free 24/7 technical support
  • Compatibility: Compatible with Windows (XP/7/8/8.1/10/11) Mac OS (10.9 - 10.15) Linux Kernel (2.6.18 - 4.4.3)
Bestseller No. 4
Kinivo USB Bluetooth Adapter for PC BTD-400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible...
  • Connect your Computer/Laptop with Bluetooth Enabled Devices such as Mobile Phones, Printers, Headsets, Stereo headphones and game controllers,...
  • Latest Bluetooth specification v4.0 Class 2 with low energy technology; Fully compatible with older Bluetooth equipment
  • Compatible with 32 bit and 64 bit Windows 11/10/ 8.1/ Windows 8 / Windows 7 / XP / Raspberry Pi / Linux PCs that do not have in-built Bluetooth.
  • Windows 11/10 (Need driver installation). Plug & Play installation for Win 8.1, 8 with default Bluetooth stack. Broadcom Bluetooth Stack available for...
  • 2 Year Warranty and US based customer support
Bestseller No. 5
1Mii USB Bluetooth Adapter for PC Bluetooth 5.0 Audio Transmitter, Dual Link USB Audio Adapter with...
  • [ADVANCED Bluetooth 5.0] With advanced Bluetooth 5.0 technologies, your USB audio transmitter is backward compatible with Bluetooth 4.2/4.0/3.0/2.0...
  • [APTX LOW LANTENCY] aptX low latency technologies deliver up to 80% lower latency and impressive sound quality. Whether you’re playing games,...
  • [COMPATIBLE& DRIVER FREE] Your Bluetooth dongle is driver free, no need to download and manually install any drivers, just plug and play. And it...
  • [DUAL LINK APTX LOW LATENCY & MINI SIZE] 1Mii Dual link Bluetooth transmitter can connect 2 bluetooth headphones at the same time, you can share and...
  • [EASY TO USE, PLUG & PLAY] Easy plug, pair and play. Plug your audio adapter into computer USB 2.0 /3.0 port, the LED indicator will flash red and...
Bestseller No. 6
EDUP USB Bluetooth 4.2 WiFi Adapter AC 600Mbps for PC, Wireless Wi-Fi Dongle Dual Band 2.4G/5.8G...
  • USB WiFi Adapter -- Up to 600Mbps high speed on 5.8GHz (433Mbps) and 2.4GHz (150Mbps) bands. Dual band reduce interference for better connection.
  • Bluetooth 4.2 Adapter -- Plug this Bluetooth adapter to your PC , which can connect Bluetooth speakers, headphones, headsets, keyboards, mice, printer...
  • System Compatibilty -- This device can work for Windows 10 / 8.1 / 7 / XP / Vista /Mac OS 10.6 – 10.15.3 in WiFi function; the Buletooth function...
  • AP Mode -- You can create a Wi-Fi Hot spot with the Soft AP Function for more WiFi devices
  • Bluetooth Authorization DID: D055229 
SaleBestseller No. 7
StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth...
  • ADD BLUETOOTH CAPABILITIES: This BT4 adapters lets you add Bluetooth 4.0 capabilities to your computer or laptop through the USB port of your device....
  • TRANSFER DISTANCE: The Bluetooth dongle provides a secure wireless connection with support for transfer distances up to 50m / 165ft
  • RELIABLE CONNECTION: For a secure and reliable connection, the Bluetooth USB adapter is Bluetooth Smart Ready enabling you to connect to the latest...
  • BLUETOOTH 4.0 LE COMPLIANT: The USB Bluetooth receiver offers data transfer rates up to 3 Mbps and low power consumption. The adapter also integrates...
  • PORTABLE DESIGN: This Bluetooth class 1 adapter features a lightweight design that conveniently fits into your laptop PC carrying case, making it...
SaleBestseller No. 8
EDUP USB WiFi Bluetooth Adapter, 600Mbps Dual Band 2.4/5Ghz 2 in 1 WiFi Bluetooth 4.2 Adapter...
  • 【Wifi and Bluetooth 2 in 1】Based on Realtek 8821CU chip, both wifi and bluetooth functions can be used at the same time.
  • 【Dual-band wireless adapter】AC600Mbps wifi adapter supports 2.4Ghz and 5Ghz dual frequency. 2.4G speeds up to 150Mbps and 5Ghz up to 433Mbps. 5Ghz...
  • 【High gain signal 】The external antenna design provides a wider signal range than the built-in antenna adapter. Ensure the stability of the...
  • 【Bluetooth transmitter&receiver】Bluetooth 4.2 enables your computer and Bluetooth-enabled devices to perform Bluetooth wireless connection.Such as...
  • 【Operating System 】WiFi function ( Support Windowns XP / 7 / 8.1 / 10 / Mac OS 10.6-10.15.) ; Bluetooth function ( Support Windowns 7 / 8/ 8.1 /...
SaleBestseller No. 9
Avantree DG60 Long Range Bluetooth 5.0 USB Audio Adapter for PC Laptop Mac PS4 PS5 Linux, Superior...
  • [BLUETOOTH STREAMING] Add a Bluetooth sound device to your PC, laptop, Mac, PS4 or Switch. Enable audio streaming to your favorite speakers or...
  • [BLUETOOTH 5. 0 RICH STEREO SOUND] Features the highest end CSR8675 chip Bluetooth 5. 0, boasting high fidelity stereo sound. Pick up any kind of...
  • [EXTENDED LONG RANGE] Experience the wireless freedom around the house! The DG60 can reach a range of up to 164’ in open line-of-sight conditions...
  • [EASY TO USE] Not a tech junkie? No problem! With our Bluetooth transmitter, there is no need to download any driver. Simply plug the transmitter and...
  • [NO LIP-SYNC DELAY] Supports the aptX Low Latency codec to eliminate audio-visual lag making the DG60 an ideal choice for watching videos / movies....
SaleBestseller No. 10
Avantree Leaf Class 1 Long Range USB Bluetooth Audio Adapter for PS4 PS5 PC Laptop Mac Linux Switch,...
  • [BLUETOOTH STREAMING] Add a BT sound device to your PC, laptop, Mac, PS4 or Switch. Stream audio to your speakers/headphones. (NB: 1. only for audio,...
  • [A GAMERS DREAM] Leaf allows for simultaneous music and voice while gaming when paired with a pair of Avantree headphones enabled with FastStream...
  • [LONG RANGE] Featuring Bluetooth Class I technology, Leaf transmits audio signals up to 60ft/20m without any interference.
  • [PLUG & PLAY] Not a tech junkie? No problem! With our Bluetooth transmitter, there is no need to download any driver. Simply plug the transmitter and...
  • [NO MORE DELAY] Featuring aptX Low Latency technology, leaf allows you to reduce Bluetooth delay - delivering high quality sound in perfect...
Bestseller No. 11
FastSnail 8Bitdo Wireless Controller Adapter Converter Compatible with Nintendo Switch/OLED, for...
  • SAVE MONEY - With this 8Bitdo Wireless USB adapter, you can easily use all 8Bitdo Bluetooth Controllers. It is compatible with PS4, PS3, Wii Mote, Wii...
  • EXTRA GIFT - Package include an OTG cable, so you can use the converter to connect your Switch Console via an OTG cable and then enjoy the Undocked...
  • COMPATIBLE - Compatible with 8Bitdo Controllers, Switch Pro Controller, Switch for Joycons, PS4, PS3, Wii Mote, Wii U Pro and more, wirelessly, on...
  • It supports DS4 Motion and Rumble features wirelessly.(Note: Switch console and Controllers are NOT included)
SaleBestseller No. 12
Jabra Evolve 75 UC Wireless Headset, Stereo – Includes Link 370 USB Adapter and Charging Stand –...
  • World class performance – HD voice combined with world-class speakers allow the Jabra Evolve Wireless Headset to deliver outstanding audio with...
  • Increase focus – Easily switch on active noise cancellation to counter ambient noise and virtually eliminate low-frequency sounds, like the hum of...
  • All-day battery – Get up to 18 hours of talk time, 17 hours of music time, or up to 15 days of standby time so this call center headset keeps up...
  • Superior connectivity – Get the freedom to move with dual Bluetooth connectivity to up to two devices, and a range of 100ft/30m from your connected...
  • Compatibility – The Jabra Evolve 75 microphone headset works with all leading Unified Communication platforms, and is optimized for Skype for...
Bestseller No. 13
Square (Shape Trilogy)
  • Amazon Kindle Edition
  • Barnett, Mac (Author)
  • English (Publication Language)
  • 48 Pages - 03/05/2019 (Publication Date) - Candlewick Press (Publisher)
Bestseller No. 14
Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 1TB Hard Drive, Mac OS...
  • Intel Iris Pro Graphics
  • 2.7 GHz Quad-Core Intel Core i5 Processor (Turbo Boost up to 3.2 GHz) with 6MB L3 cache
  • 21.5-inch (Diagonal) LED-backlit Display with IPS Technology; 1920-by-1080 Resolution
  • 1TB Hard Drive, 8 GB (Two 4 GB) of 1600MHz DDR3 Memory
  • This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized...
Bestseller No. 15
Victrola Vintage 3-Speed Bluetooth Portable Suitcase Record Player with Built-in Speakers | Upgraded...
  • THREE SPEED BELT-DRIVEN TURNTABLE - This 3-speed (33 1/3, 45, 78 rpm) suitcase record player features UPGRADED PREMIUM SOUND QUALITY and sits on sound...
  • TAKE YOUR TUNES ANYWHERE - Housed in a vintage suitcase with an easy carry handle, Victrola's blend of retro and contemporary design give you the...
  • EXPANDED CONNECTION OPTIONS - Stream smartphone audio through the turntable’s built-in Bluetooth speakers. Easily connect external speakers via the...
  • NO STEREO SYSTEM OR EXTRA EQUIPMENT REQUIRED. Get it up and running in minutes. Retro looks combined with the convenience of modern technology makes...
  • ALL THE CONTROLS YOU NEED - Features an Input select knob, Power/Volume Knob & an Auto stop switch that stops spinning records once the record is...
Bestseller No. 16
KenSera 8Bitdo Wireless Controller USB Adapter 2 Gamepad Receiver Mini USB Switch Converter...
  • Accessories for Nintendo Switch: For use with Xbox One S/X BT controller, PS5, PS4, PS3, Wii Mote, Wii U Pro wirelessly on Nintendo Switch. Support...
  • Enjoy Various Controllers: For use with 8Bitdo Controllers, Switch Pro, Switch Joy-cons, PS5, PS4, PS3, Wii Mote, Wii U Pro, and more, wirelessly, on...
  • Plug And Play: Simply bind the Adapter to your wireless controller to enable the same wireless experience you are used to on all the best platforms....
  • Extra Gift: A OTG adapter makes it easy to connect to your Switch/Switch OLED Controller, and enjoy the handheld mode directly.
Bestseller No. 17
Mac Mini (M1) User Guide for Seniors: A Step-By-Step Manual to Master Apple Mini Computer
  • Kan, Jones (Author)
  • English (Publication Language)
  • 245 Pages - 03/21/2021 (Publication Date) - Independently published (Publisher)
Bestseller No. 18
Roku
  • Use your phone or tablet as a remote control for your Roku device
  • Browse a hand-picked selection of great movies and TV shows using What’s On
  • Use your voice or mobile keyboard to search for movies, TV shows, actors and directors
  • Launch your favorite channels directly from your mobile device
  • Add channels and games from the Roku Channel Store
SaleBestseller No. 19
Razer Kraken Tournament Edition THX 7.1 Surround Sound Gaming Headset: Retractable Noise Cancelling...
  • THX 7.1 Surround Sound Capable: Provides industry-leading audio realism for in-game immersion by providing accurate spatial audio information beyond...
  • Sound Built for Immersive Gaming: Outfitted with custom-tuned 50 mm drivers
  • All-day Comfort: Oval, cooling gel-infused cushions that prevent overheating and pressure build-up
  • Retractable Noise Cancelling Microphone: An improved cardioid mic reduces background and ambient noises for crystal-clear communication
  • In-line Audio Controls: Includes an analog volume control wheel and mic mute switch
SaleBestseller No. 20
USB WiFi Bluetooth Adapter, 600Mbps Dual Band 2.4/5Ghz Wireless Network External Receiver, Mini WiFi...
  • 【DRIVER FREE】The adapter is built-in driver software, insert the network card, the driver will install automatically and enable your pc to connect...
  • 【2 IN 1 WIFI AND BLUETOOTH】Double Antennas to gain strong signal. WiFi: Works with Windows 7/8/8.1/10/XP, just plug and play. Vista/Mac OS(support...
  • 【2.4Ghz/5.8Ghz DUAL BAND WIFI】Built-in Chip RTL8821CU, lasted IEEE802.11 a/b/g/n/ac universal wireless network technology. Offers speed up to...
  • 【SUPPORT AP MODE】WiFi transmitter for networked computers, set to AP launch mode, the computer's wired network can be converted to WiFi signals,...
  • 【BLUETOOTH TRANSMITTER】Bluetooth 4.2 enables your non-bluetooth PC to wirelessly connect with Bluetooth devices(such as smart phone, ipad, tablet,...

Having trouble finding a great Bluetooth Usb Adapter Mac?

This problem is well understood by us because we have gone through the entire Bluetooth Usb Adapter Mac research process ourselves, which is why we have put together a comprehensive list of the best Bluetooth Usb Adapter Macs available in the market today.

After hours of searching and using all the models on the market, we have found the best Bluetooth Usb Adapter Mac for 2023. See our ranking below!

How Do You Buy The Best Bluetooth Usb Adapter Mac?

Do you get stressed out thinking about shopping for a great Bluetooth Usb Adapter Mac? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Bluetooth Usb Adapter Mac, which is why we have assembled a comprehensive list of the greatest Bluetooth Usb Adapter Mac available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Bluetooth Usb Adapter Mac that you consider buying. Your questions might include the following:

  • Is it worth buying an Bluetooth Usb Adapter Mac?
  • What benefits are there with buying an Bluetooth Usb Adapter Mac?
  • What factors deserve consideration when shopping for an effective Bluetooth Usb Adapter Mac?
  • Why is it crucial to invest in any Bluetooth Usb Adapter Mac, much less the best one?
  • Which Bluetooth Usb Adapter Mac are good in the current market?
  • Where can you find information like this about Bluetooth Usb Adapter Mac?

We’re convinced that you likely have far more questions than just these regarding Bluetooth Usb Adapter Mac, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Bluetooth Usb Adapter Mac, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Bluetooth Usb Adapter Mac. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Bluetooth Usb Adapter Mac buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Bluetooth Usb Adapter Mac currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Bluetooth Usb Adapter Mac has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Bluetooth Usb Adapter Mac?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Bluetooth Usb Adapter Mac.
  5. Customer Ratings: Number ratings grade Bluetooth Usb Adapter Mac objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Bluetooth Usb Adapter Mac.
  7. Product Quality: You don’t always get what you pay for with an Bluetooth Usb Adapter Mac, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Bluetooth Usb Adapter Mac is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Bluetooth Usb Adapter Mac information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Bluetooth Usb Adapter Mac is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best Bluetooth adapter?

A: The speed that comes with the adapter is 3Mbps and hence is the best Bluetooth adapter for performance. The cable-free connection between the other Bluetooth devices and the PC makes the product one of the best that you need for the same purpose.

Q: What is a wireless Bluetooth adapter?

A: Bluetooth is a wireless technology standard for exchanging data over short distances from fixed and mobile devices, and building personal area networks. The function of a Bluetooth adapter is to allow you to create a Bluetooth network for your computer if it is not already Bluetooth-enabled.