Adopt Qualcomm QCC3040 chip, true Bluetooth 5.2, ceramic antenna, touch buttonKB9P 24Bit:16-24Bit, Not compatible with Android Box/Android TVUSB+AUX dual input, support one for two, can connect 2 Bluetooth headsets or Bluetooth speakers at the same time; USB input supports 16-24Bit 48-96KhzOne for two supports dual adpaitve, HD, , requires 2 headsets to support the same encoding at the same time.Supported encoding: Adaptive HD LL , different encodings have different indicators; you can use the assistant to switch Adaptive's high-quality sound and low-latency mode, HD and LL encoding, etc.!Driver-, computer system XP WIN7-10 LINUX, etc., and supports voice callsGame console: for -5, SWITCH, Android boxSome Android : for for for New Android OS.Or devices with 3.5 interface/red and white lotus output interface can be usedBluetooth Standard:Bluetooth v5.2Content:AudioInterface:USBWireless Type:BluetoothModel Number:QCC3040 24Bit Bluetooth Adaptercolor:BlackMaterial:MetalPackage Contents:1 x QCC3040 Bluetooth Audio TransmitterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.