This portable Bluetooth Receiver has LED screen, On it, know the current status of various functions like the volume levels and exact power quantity. Bluetooth aux Bluetooth car adapter Built-in microphones to collect your voice from 360 for smoother calls. Ease of use, no distractions, and driving. This car Bluetooth adapter uilt-in rechargeable battery, has a battery life of 26 hours. And it takes only 2 hours to fully charge the device by using a Type-C fast charging cable. The actual object may have color difference due to different light or display Colour:Black Material:ABS Package Contents: 1x Bluetooth receiver 1x audio cable 1x charging cable 1x audio adapter 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.