Bluetooth Version5.3
Transmission DistanceUp to 20 meters (without obstacles)
InterfaceUSB 2.0
Supported ProtocolsA2DP, H2DP, HSP, AVRCP, etc.
Frequency Band2.4GHz (2.402-2.480GHz)
ChipsetRTL8761B
AntennaBuilt-in
MaterialABS Plastic
Indicator LightBlue LED
Dimensions24x14.6x6.8mm
Operating SystemWindows 7/8/10/11
Supported DevicesBluetooth speakers, headphones, keyboards, mice, and more.