Specification 
* Bluetooth version: 4.0 with EDR - data transfer rate up to 3Mbps 
* ISM Band: 2.4GHz 
* Operation range: up to 15 meters/50feet 
* Support A2D ( Advanced Audio Distribution Profile) and ARVCP (Audio/ Video Remote Control Profile) 
* Bluetooth Low Energy (BLE) protocol support. 
* Up to 3 Mbps data transfer rate with Enhanced Data Rate (EDR) support. 
* LED indicator indicates device status. 
* Backward support classic Bluetooth V3.0/2.1/2.0/1.1 

Supported Bluetooth Profiles 
* A2DP v1.2, GAP, HFPv1.5, HID OVER CATT, AVRCP V1.4, HSP V1.2, APTX, SPP V1.2, DUN V1.1 and OPP 2.2 

Supported Operating System 
* Supported: Windows 10, 8.1, 8, 7, XP, Vista 
* NOT Supported: ARM-Based Windows RT, Mac OS, Linux 

Compatible Bluetooth Devices 
* Supported: wireless Bluetooth-enabled devices, like smartphones, keyboards, mice, headsets, headphones, speakers, printers, modems, serial devices and more 
* NOT Supported: home theater or automotive systems.