Description: USB 5.0 adapter can be used for almost all devices with audio input/output (3.5mm auxiliary audio interface). Transmission on TV. Connect it to TV with 3.5mm AUX Cable and enjoy the film with headset , it won't disturb others to rest AUX Mode: Using car's aux , make it with function ,and enjoy the music from your phone or tablet USB Dongle: Using car's usb disk port , make it with function and enjoy the music from your phone or tablet. Suitable type: computer, TV, projector (transmission mode)/speaker, headset, car machine, call (reception mode). Specification: Model: BLS-TX2 TX2-1 External power supply: with external power supply, plug and play Transmission rate: 100 Effective Working Radius:5 Operating Frequency: 2.4 Color:Black Audio port: USB/3.5mmAUX Transmission distance: ≤10m Version: 5.0 Material: ABS Size Chart: 45x21x11mm/1.77x0.83x0.43inch Package Includes: 1 Piece Wireless Audio Transmitter Receiver 1 Piece 3.5mm Audio Cable 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!