5V IN
5V OUT
Micro USB 1 Amp Charging Port Input
Micro SD Expansion Card Slot
USB Output 2.1 Amp Charging Port Output
Power ON/OFF [hold 3 seconds] / battery Indicator [press]
Bluetooth Mode [play/pause music, answer/hang-up calls]
Micro SD Card mode
Previous Song [long press] / Volume Down [press]
Next Song [long press] / Volume Up [press]
Bluetooth Indicator [flashing=pairing / solid=connected]
Micro SD Card Indicator
Battery Capacity Indicator [25%/50%/75%/100%]
100
75
50
25
SD
BT
