Philips BT112 User Manual page 4

Buttons & LED lights
A. Switch operation
Audio
B. LED
5. blue LED: bluetooth mode; green LED: Audio in mode.
6. Orange LED: charging.
C. Back panel
7. Audio in: 3.5mm Audio in socket.
8. Micro USB: power in socket for charging from 5V DC, 1A source only.
* In case of laptop BT connection, this will work with windows media player.
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