Premiertek Dual Mode Bluetooth V4.0 USB Adapter with Low Energy Technology for Notebook Desktop Raspberry Pi (BT-400_V2)

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bluetoothdongle-CSR4.0 1


The BT-400 is a Bluetooth Smart Ready USB Micro Adapter which is designed to fully compatible with the Bluetooth standard v4.0. It is a dual mode dongle supporting Bluetooth v3.0/v2.1 and Bluetooth Low Energy. It presents the smallest form fact and high effective performance which enables you to simply connect many Bluetooth devices dramatically enhances communications between partners or equipment at different locations and it is highly integrated Bluetooth Adapter, includes Radio, Baseband, link Manager, and Host control interface. Due to its smallest dimensions, high sensitivity, ultra-low power consumption, it is suitable for numerous electronic devices without any space limitation, it can connect with different devices by USB port like notebook, desktop, Raspberry Pi.


  • Chipset CSR8510
  • Support Bluetooth Low Energy
  • Adds Bluetooth support to Windows 10, 8.1, 8, 7, or Linux PCs that don't already have it. Adds Bluetooth 4.0 (Bluetooth Low Energy) support to Windows 8 and higher
  • Works with all Raspberry Pi models
  • Enables wireless communication with Bluetooth-enabled computers, printers, phones, headsets, speakers, keyboards, controllers, and more
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5 Reviews

  • 5
    Response speed is fine

    Posted by Irene Jones on Aug 10th 2020

    this product works very excellently and does not lag in any way. I have been using this product and love the speed.

  • 5
    Working perfectly

    Posted by Melissa Cox on Aug 10th 2020

    this product is working just perfectly. It has also made work easier and faster for me. I am thinking of purchasing one more for the office.

  • 4
    Happy with the product- Product arrived late

    Posted by Linda Williams on Aug 10th 2020

    I am very happy with this product. This product arrived late. Such a small product and yet discount computers had to keep me waiting for two weeks to get my product.

  • 5
    Nice product no complaints

    Posted by Han Gladden on Aug 10th 2020

    Very nice and portable product. I can now carry it about and use it with ease. This is definitely one fine product from discount computers.

  • 4
    It did not work with my system- had to get a replacement

    Posted by Granville Inman on Aug 10th 2020

       I purchased this product with a lot of high hopes but it was defective. But customer support helped to get a replacement.

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