Function: When in the BT connection mode & TF card playing mode, Press the “+” / “-” button for volume up / down. Press and hold the the “+” / “-” button for next track / previous track.
When there is an incoming call, press the multi-function button to answer / hang up, press and hold to reject the call. When connected, press the multi-function button twice to redial the last number.
When turn on the earphone / in a shutdown mode then turn on the earphone, insert the TF card, the headphone will turn into the TF card play mode. Press the multi-function button 3 times to switch between BT mode / TF mode.
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