This year, the most actual products sold in online stores are USB Bluetooth adapters, it is a quick and inexpensive means to allow Bluetooth wireless communications onto your personal computer in order to communicate with your pc.
Frankly, I would say it aids your relationship with your computer, it is a wireless technology standard used for exchanging data between fixed and mobile devices over short distances using UHF radio waves in the industrial, scientific, and medical radio bands from 2.402GHz to 2.480GHZ and building personal
area networks(PANs).
In today’s age and day, Bluetooth ability and connectivity are considered some of the most important features of devices such as gaming consoles, headsets, laptops, and cell phones. Using this wireless connectivity, the connection of devices at home and even at the office is more convenient and made easier with the help of a Bluetooth adapter.
The USB Bluetooth adapter is small you won’t even know it’s there that is why they are called Bluetooth dongles, they are small, inexpensive gadgets that enable this technology on home computers providing many potential benefits. All you have to do is plug in the adapter to a USB port and it does the rest.

HOW DOES A BLUETOOTH ADAPTER WORK?

A Bluetooth adapter functions using a plug and plays feature of both mac and windows operating system; thus it can be inserted and removed at any time. On the other hand, once you plug in any electronic device the stored software driver in the device is transmitted to as well as interpreted by the system.
There is no installation required, though there are some Bluetooth adapters that require users to install drivers especially if it is their first time to use it. Once the user installed it successfully, the adapter normally lights up and starts to send a signal to search for a Bluetooth- enabled device within the area.
Here are the 3 short-listed factors that would assist you during your purchase;
1: DESIGN:
When buying a new product, the first thing you are looking at is the looks and design. Bluetooth adapters come in various colors, styles, and designs. So make sure to choose the best Bluetooth adapter design that will match your taste.
2: COMPATIBILITY:
This is usually very tricky for some people, getting a Bluetooth adapter isn’t all about design and colors, some people are used to making mistakes when purchasing this product, whether you are using Vista, windows, or mac as your operating system, you need to be very cautious when buying a Bluetooth
adapter. You need to make sure to choose an adapter that is compatible with the operating system or device that you are currently using.
3: SUPPORT:
Before purchasing a Bluetooth make sure to check if your chosen adapter supports the device you are using. These devices can be headsets, speakers, tablets, and printers. Select a Bluetooth adapter that uses 4.0 technology.
Another thing every buyer must consider is that if the Bluetooth adapter is equipped with 4.0 technology offers more range which means you can connect to a certain device even when you are not close to it and it consumes lesser energy on the other hand.
Nevertheless, Bluetooth is becoming more and more popular, which means people can now replace their wired connection by means of its easy connecting and cost-free options.
4: GOOD DRIVER:
There are a number of factors that makes a USB Bluetooth adapter worth buying, for starters, you would want a plug- and- play dongle. Having good drivers is also important, purchase adapters from reputable companies with good customer support.
5: BUILD QUALITY:
The market is filled with low-quality models that promise great performance but hardly last a month. In addition to the specification, therefore, pay attention to the external build of your adapter of choice. Take the time to visit a trusted site and identify the dongles that offer the best balance between quality and cost.
6: ADAPTER SIZE:
Some adapters are bulkier than others, and more often than not, USB ports are usually close to one another, which means the device you buy needs to be small enough not to block adjacent ports.

BEST USB BLUETOOTH ADAPTERS FOR YOUR PC.

1: Avantree DG40S USB Bluetooth Adapter: 

This item is one of the best based on our review, it comes with enough features, it is the best Bluetooth Dongle for Desktop Laptop Computer, Mouse, Keyboard, Headphones Stereo Music, Skype Calls, Support All Windows.
It can easily convert non- Bluetooth pc or laptops into a Bluetooth capable device for wireless headphones, Bluetooth speakers, keyboard, mouse, watch, printer, wristband, game controller, android phones, and tablets. It is very good even when you want to connect to a far range.
This product has close to 10,165 reviews with an average rating of 4.3 stars on Amazon.com
FEATURES
  • Bluetooth with EDR – data transfer rate up to 3Mbps
  • ISM Band: 2.402-2.480GHz
  • Operation range: Class II, up to 10 meters
  • LED Indication: Power on, Linking and Standby
  • Chipset: CSR 8510
  • Support Profile: Serial Port, Object Push, File Transfer, LAN Access, Personal Area Network, Audio Gateway, Headsets, HID, Keyboard, Mouse,
  • HCRP (Printer Cable Replacement), PIM, Synchronization Profile, A2DP, AVRCP
This product is very affordable and it offers a colossal value and you can place an order for it on amazon
using the link

2: ORICO USB Bluetooth 5.0 Adapter:

This item ORICO USB Bluetooth 5.0 Adapter, Mini Wireless Dongle Support PC Laptop Windows 10/8/7 System for Bluetooth Headphones, Keyboard, Mouse, Speakers, Xbox Game Controller.
It can enable the stable Bluetooth function of your pc, sleek, ultra-small design. It is more stable and faster than Bluetooth 4.0, it turns your windows pc/ laptop into a Bluetooth machine. It has a 65Ft transmission distance and can save space, this is the least expensive product. It adopts the CSR chip, the data transmission speed reaches up to 3Mbs, and to transmit a 3M music needs 8s.
It meets the Bluetooth 5.0 specification and is downward compatible with Bluetooth 2.0, 3.0, 4.0 specification, supports dual-mode, the power consumption of Bluetooth 5.0 version is 90% lower than that of the old version and more power- saving.
This product has an average rating of 4 stars out of 5’

FEATURES:

  • Bluetooth 5.0 Adapter: Adopt the latest Bluetooth 5.0 chipset, greatly reduce the power consumption of Bluetooth (BLE). With the enhanced Data Rate (EDR) support, It’s greatly improved the data transmission rate of Bluetooth technology, reaching 3Mbps. This means that Bluetooth 5.0 can sends and receives data faster than Bluetooth 4.0.
  • 65Ft Transmission Distance: ORICO Bluetooth adapter supports maximum transfer rate up to 3Mbps and transmission distance up to 65ft/20M in open space.
  • Great Compatibility: Bluetooth 5.0 adapter Supports Win 10/8/7/ Vista and XP, enables PC or laptop to connect Bluetooth-enabled devices, like smartphones, mouse, speakers, headsets, mobile phones. Not work with Mac OS, car stereo systems, or TVs.
  • Easy to Use: Need Driver for Windows 10/8/7 System, Please enter into ORICO’s official website to download the driver.
  • Nano Bluetooth Adapter: a sleek, ultra-small design can save space, which means you can insert the Nano Bluetooth adapter into any USB port and simply keep it there, no matter when you are traveling or at home or at the office.

3: Avantree Leaf Class 1 Long Range USB Bluetooth

Audio Transmitter Adapter for PC: Add a BT sound device to your PC, laptop, Mac, PS4, or Switch. Stream audio to your speakers/headphones.
NB:
1. only for audio, not for mouse/keyboard/game controllers.
2. BT connects via the Leaf acting as a soundcard, not your PC.
Leaf allows for simultaneous music and voice while gaming when paired with a pair of Avantree headphones enabled with Fast Stream technology. E.g: Avantree DG59 Set ANC031, ANC032, or HS063.
Leaf transmits audio signals up to 60ft/20m without any interference. With our Bluetooth transmitter, there is no need to download any driver. Simply plug the transmitter and turn on the connecting device and they will auto-connect for the ultimate user-friendly audio experience. Featuring aptX Low Latency technology, leaf allows you to reduce Bluetooth delay – delivering high-quality sound in perfect synchronization.
Ideal for watching movies, Leaf pairs well with Avantree Audition Pro, Roxa Plus, or Clipper.

FEATURES:

  • Bluetooth profile: A2DP, HFP, HSP, AVRCP
  • Audio codec: aptX-LL, aptX, FastStream, SBC
  • Operating range: Up to 20 meters in an open area without any obstruction
  • Product weight: approx. 10g
  • Product size: 66(L) x 18mm(W) x 15mm(H)
This incredible product is available and you can get a tremendous deal by clicking on this link

4: Sabrent USB Bluetooth 4.0 Micro Adapter for PC

This USB Bluetooth adapter enables wireless connectivity between a variety of devices. The ability to connect your PC and cellphone to share internet connection while on the go or even at home. With ease, you can access files between Bluetooth enabled devices and share as well.
Creating a cleaner workspace with this adapter you can use wireless Print/Edit/Share, or even connect Bluetooth headphones. It has access to the internet via Bluetooth mobile phone or Bluetooth- enabled pc with an internet connection, connect wireless Bluetooth dongle to an available USB port to easily access all of the latest Bluetooth devices, such as cell phones, mouse, and keyboards.
This device contains a USB Bluetooth adapter and driver cd and it has over 2,163 reviews from satisfied customers and it is rated 4.3 stars out of 5.
FEATURES
  • Compatible with Bluetooth V3.0/2.1/2.0/1.1
  • Enable wireless connectivity between a laptop and a cellular phone
  • Access internet via a Bluetooth Mobile phone with GPRS/CDMA or Bluetooth-enabled
  • PC with an internet connection
  • Connect a Bluetooth headset to your PC
You can get this device at a tremendous value through this link

5: Plugable USB Bluetooth 4.0:

The Plugable Bluetooth adapter adds the ability to connect Bluetooth devices to Windows and Linux PCs. This dual-mode adapter connects devices using Bluetooth Classic or Bluetooth Low Energy.
Works with 32-bit and 64-bit editions of Windows 7*, 8.x, and 10. All Raspberry Pi models are supported, though we only recommend using the adapter with models that do not include Bluetooth. Supports recent versions of popular Linux distributions like Ubuntu, Mint, and Fedora. (Linux kernel versions 3.0.34, 3.2.20, and 3.4 and later) .
Connect devices with Bluetooth technology that can be connected to your computer through the Plugable Bluetooth adapter includes wireless Bluetooth earphones, Bluetooth speakers*, Bluetooth mice, Bluetooth keyboards, Bluetooth game controllers, and much more.
As a certified Bluetooth Class 2 device, the Plugable Bluetooth adapter has been validated by the Bluetooth Special Interest Group (Bluetooth SIG) to connect up to 32 feet (10 meters) away.
The adapter’s compact size and revised plastic casing mean you can leave it on your laptop when you are on the go. Supports Bluetooth audio devices like stereo headsets, headphones, and speakers, it also supports Bluetooth input devices like keyboards, mouse, and game controllers.
This device has about 10,236 ratings from very satisfied customers.
FEATURES
  • START USING BLUETOOTH – Adds Bluetooth to your Windows 10, 8, and 7 PC that doesn’t already have it. Supports Ubuntu, Mint, Fedora, and other Linux computers.
  • CONNECT YOUR DEVICES – Supports wireless Bluetooth headphones, speakers, headsets, keyboards, mice, phones, and more!
  • TINY DESIGN – This mini USB dongle can stay plugged in while you are on the move. This adapter is intended only for computers that do not already have built-in Bluetooth.
  • COMPATIBILITY – Not usable in car stereos, TVs, or Mac computers. Not recommended for employer-provided computers. Does not add Bluetooth 4.0 support to Windows 7. Special drivers (provided) are needed in Windows 7 for Bose QC35 and some other recent devices .

This product has an enormous value and you can get it with just one click on this link

CONCLUSION:
Finding the right Bluetooth adapter in the midst of numerous viable choices can be overwhelming. Nevertheless, the tips above should be sufficient enough to help you do some fruitful comparison shopping.