3X([AUx output] Through the car AUx inteace, the car without Bluetooth function can on mobile phones or table< />[USB output]Through the car read U disk inteace, enable cars without Bluetooth to on mobile phones or table< />[Easy to use]Plug-and-play without a dri to a Bluetooth headset to your computer< />[Fast transmission] TV connion Bluetooth headset TV o is dirly transmitted to the Bluetooth headset to avoid disturbing family rest and enjoy < />[Compatibi] Support multi-device connion: the computer with other Bluetooth-enabled devices (mobile phone / tablet / mouse keyboa / bluetooth headset / bluetooth speaker / gamepad / printer, etc.)< />1. Transmitter mode (Tx):< />Wirelessly transfer o from a non-Bluetooth TV, home stereo or CD player to a Bluetooth headset or speaker.< />2.PC o transmission mode (Tx)< />Wirelessly transfer o from a PC, laptop to a Bluetooth headset or speaker via a USB port, no o cable required.< />3. Recei mode (Rx):< />Stream o wirelessly from a wired stereo, speaker or headset via a Bluetooth-enabled phone, tablet or computer.< />4.USB recei mode (Rx):< />Plug the Bluetooth recei into the USB jack of an o device with a USB o protocol. Turn on the o device and the recei's blue LED will Turn on Bluetooth in your phone, seh for ID: M-168, and if pai is successful, it can transfer music to o devices and through this USB Bluetooth recei.< />Technology: BT5.0, A2DP, AVRCP (reception mode only)< />Bluetooth :5.0< />Operating range: up to 10 meters / 33 feet (without obstacles)< />Pai name (receiving mode): M135< />Transmitter mode: red LED ligh< />Recei mode: blue LED ligh< />Product weight: 25g< />colour:black< />Material:AB)