The Audio Blue-tooth Adapter is mainly used for devices without Blue-tooth output, such as TV, computer, etc. The product is small and stylish, easy to use, powered by USB 5V, and can work stably for a long time. Use the latest Bluetooth 4.0 transmission technology to maintain CD sound quality. The Blue-tooth Receiver Transmitter can connect three Bluetooth peripheral sound sources at the same time, and can output at the same time.<br><br>The actual object may have color difference due to different light or display Blue-tooth Version: V4.0 Receiving Distance: within 5-8 meters Charging time: 2 hours Playback Time: 4-5 hours Input Voltage: DC5V Input Current: 500MA Power Consumption: 100mw/h Colour:Black Material:ABS<br><br>Package Contents: 1 x Bluetooth Audio Adapter 1 x USB Charging cable 1 x AUX cable 1 x cable<br><br>Only 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.