Wireless Bluetooth 5.0 Adapter for Speakers TV Computer 1、Lossless Sound Quality: High resolution restoration of lossless sound quality bringing CD level music experience, just plug and play, you can listen to the music in your phone. 2、Wireless Transmission Mode: Convert wired audio into wireless signal, transmission to wireless device output, can be used in computer, TV, projector. 3、Wireless Reception Mode: Can be used for car sound system, speaker, earphone, connect the audio access port, audio without wireless function can also be played wirelessly. 4、Hands Free Free Call: Connect the wireless connector to the car aux interface, wireless connection car audio, you'll be able to talk wirelessly, making driving safer. 5、Power Supply: Built in rechargeable lithium battery, charge once last for 4 hours, when the battery is low it can be used while charging, convenient and worry free.