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Pluggable USB Bluetooth 4.0 Low Energy Micro Adapter

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Bluetooth adapter or Bluetooth dongle is a USB-based wireless device that enables you to receive Bluetooth signals wirelessly to connect with various devices like a TV, home theater, mouse, keyboard, etc. Bluetooth adapters are quite helpful for your computer and laptop when using multiple wireless devices.

Bluetooth technology that can be connected to your computer through the Plugable Bluetooth adapter includes wireless Bluetooth headphones, Bluetooth speakers, Bluetooth mice, Bluetooth keyboards, Bluetooth game controllers, and much more.

Our top 3 Picks of Pluggable USB 3.0 Low Energy Micro Adapter

Asus USB-BT400 USB adapter

Easy Installation USB 3.0 Low Energy Micro Adapter


This dongle makes wireless communication with Bluetooth devices easy. This Bluetooth dongle has a very portable and ultra-small design that can be easily attached to a USB port. The product is super easy to install, plug into a USB port then put the disk in the PC and install the drivers.

It is a very good & easy choice for gaming pcs especially for controllers, headsets & Bluetooth speakers Works like a charm with ps4 controller and no latency issues and random disconnects like you might encounter with other Bluetooth dongles.

Does exactly what it’s meant to do when it’s supposed to do it. Easy interface to connect/disconnect BT devices great for laptops that don’t have Bluetooth capability.

It is a good quality adapter that is compatible with Windows operating system. It is an energy-efficient adapter that helps you to reduce power consumption.

It is compatible with Bluetooth 3.0, 2.1, and 2.0. sadly, this dongle does not come with an LED indicator. ASUS USB-BT400 USB adapter uses a good 2.4~2.4835GHz unlicensed ISM band. You can use it with various devices like printers, computers, headsets, speakers, and more.

Pros and Cons


  • You can connect several devices together.
  • It is compatible with all the latest Windows operating systems.
  • Easy installation.


  • Fewer operating system compatibility options.
  • No LED indicator.

Check it out on Amazon

Bluetooth USB Adapter CSR 4.0

Super Speedy USB 3.0 Low Energy Micro Adapter


Bluetooth USB Adapter CSR 4.0 is a USB dongle that supports maximum transmission distance up to 33ft/10m and transfer rate up to 3Mbps. It is compatible with a variety of Windows operating system versions.

This Bluetooth dongle requires drivers for Windows 7 and lower versions to connect audio devices. However, the good thing is that you do not need to install a driver for using a cell phone, mouse, and keyboard.

USB Adapter CSR 4.0 uses BLE (Bluetooth Low Energy) for low energy consumption, and it is backward compatible with Bluetooth V3.0/2.0/ 1.1/2.1. This Bluetooth dongle is very compact and seamlessly gets connected to a PC or laptop.

Bluetooth USB Adapter CSR 4.0 is one of the best USB Bluetooth adapters having a 2.402-2.480GHz ISM band. This dongle has the capability to give you high data throughput.

It gives you the fastest audio transmission. The driver on the CD which comes with the device should be held in a safe manner the reason is that without the driver Windows 10 gets confused on recognizing the device.

But everything else, it is a brilliant dongle and it does what it says . A standard RF USB dongle supports the wireless mouse option. The product is easy to use and compatible with connecting your Apple airpods to your PC computer bluetooth connectivity works well.

Pros and Cons


  • Easy and plug-and-play installation.
  • Value for money product.
  • Provides a good data transfer rate.


  • It only supports the Windows operating system.
  • Does not work with iOS and Mac.

Check it out on Amazon

Pluggable USB Bluetooth 4.0 Low Energy Micro Adapter

Versatile USB 3.0 Low Energy Micro Adapter


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, and 10. All Raspberry Pi models are supported, though we only recommend using the adapter with models that do not include Bluetooth.

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 advanced plastic casing mean you can leave it on your laptop when you are on the go. Bluetooth is designed to be an energy-efficient wireless connection.

As such, it is more susceptible to wireless interference than technologies like WiFi. Under ideal conditions, the Plugable Bluetooth adapter is rated to connect to devices up to 32 feet (10 meters) away. However, there are many factors that can reduce this range and cause issues like audio delays, skips, and cut-outs.

Pros and Cons


  • Smooth and easy connection
  • Versatile in use
  • Compact design makes it easy to carry around


  • Ordinary build quality
  • Has a small range

Check it out on Amazon


Adding a Bluetooth connection using USB is an easy way to add connectivity between accessories and peripherals that utilize this technology to make our lives easier.

Without the clutter and mess of wires, cords, plugs, and outlets, it’s a whole lot easier to make an enjoyable and efficient time spent on your computer. Although the Bluetooth USB Adapter CSR 4.0 and the ASUS USB-BT400 USB adapter are relatively good adapters we have picked the pluggable USB Bluetooth 4.0 low energy micro adapter as our best USB adapter.

It is designed specifically to boast an incredible amount of efficiency, it uses special low energy technology that enables it to use the most minimal amount of power while providing a constant and reliable connection.

Plugable really puts a lot of effort into customer service and keeping their website up to date so that you have as many resources as you need to get this thing working on your computer. Every computer is different, so you may have some trouble getting it working. It’s just how computers are at the moment.

The pluggable USB 4.0 Micro Adapter is so small and discreet that you’ll likely forget it’s even there. So small that you can leave it in your USB port and probably never have a need to remove it again. In all this device goes you efficiency, service, and value for your money all in one compact and sleek frame. To see similar products, visit

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