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 V3.0/2.1/2.0/1.1Supported 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 2.2Supported Operating System*Plug and Play for Win 10/8.1/8, no need to install driver. For Win 7/XP/Vista, Please install the driver included firstly.* NOT Supported: ARM-Based Windows RT, Mac iOS, LinuxCompatible 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.