Features:

* This  4.0 USB Dongle allows your computer receive data by  transfer.

* A simple solution to enable your computer connect with smartphone, tablet or other  device

* Support   2000/XP/Vista,  7,   8,   10.

* Using CSR8510A10 chip, compliant with the  4.0 specification, dual-mode transmission

* Backward compatible with  2.0,  2.1,  3.0 specification

* Transfer rate up to 3Mbps, providing high-speed file and audio data transmission

* 20meters transfer range without obstacle.

* CSR Harmony drive software for convenient app expansion.

* 24bit CRC verify for less disturbing.

* Convenient carrying and using.

Specifications:

* Material: Plastic+Metal

* Color: Black(as pictures show)

* Interface: USB2.0

*  Version:  4.0

* Dimensions: 2.2*1.8*0.7cm(approx)

Package contents:

1*  Dongle

Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness