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
