Car Bluetooth Hands-free Call Adapter Power Digital Display Audio Wireless Receiver

1.Supports TF card music playback function, and can remember the input mode of the last playback when opening it again
2.Press and hold "+" & "-" at the same time to switch the input method between BT card and TF card
3.Long press m to turn the device on/off. In call mode, short press to answer an incoming call. In call mode, long press to reject
4.Callback In BT mode, double-click to call back the last dialed number. In play mode, short press "Play/Pause"
5.You can connect two mobile phones at the same time and switch audio sources

Specification:
1.Extension: TF card/auxiliary
2.BT Version: 5.1
3.Support: MP3/WMA
4.Duration: 20h
5.Battery capacity: 250mAh
6.Display: LED digital display
7.Range: 10 meters
8.Features: Elastic back clip
9.Size: 28x58.6x15mm
10.Weight: 16.5g