Bluetooth version: 4.0 with EDR – data transfer rate up to 3Mbps ISM Band: 2.4GHz Operation range: up to 10 meters/33feet 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 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 OS, Linux,i phone NOT Supported: home theater or automotive systems.