*Version: 5.3 BR+EDR,BLE*Support 7 bluetooth devices at the same time*Transmission distance without obstruction: 20M(Max)*Frequency: 2.402GHz-2.480GHz*Do not support APPLE Device*Material: ABS*LED indicator*Support Bluethooth Profiles: A2DP/HSP/AVRCP/HID/PAN/GAVDP/DID/IOPT*Compatible systems:..