Specifications:

8. Auto-Connection: This Bluetooth receiver will automatically connect to the last paired Bluetooth device when you turn it on next time.

9. Upgrade-KEY Button: Next Track/Volume Up, Previous Track/Volume Down, Multi-Function Button (MFB)

10: Upgraded to support SD card play.

11.Note: No built-in battery, So POWERED BY USB CHARGING.

Package Included:

1x Bluetooth 5.1 Audio Receiver Adapter

1 x 3.5mm Aux Cable

1x3.5mm to 2RCA Cable

1x Manual

1x Type C Charge Cable