Charging; Buttons Definition And Function - Promate proHarmony.2 User Manual

5. Never dismantle the speaker system without due permission, otherwise it
may nullify the warranty clauses.
Usage Instruction
Charging the Bluetooth™ headset
proHarmony.2 has a built-in rechargeable lithium battery. For a first-time usage,
connect the device to power fornot less than 4 hours to let charge completely. In
future, battery can be charged completely within 1-2 hours. While charging, the
blue light turns on. When the charge is saturated the blue light is not bright. Fully
charged battery can support around 5 hours of continuous usage.

Buttons Definition and Function

S1 Play/Pause/Refuse(talk status)
S2 Forward
S3 Backward
S4 On/Off, match Bluetooth™ with equipment
S5 Volume "+"
S6 Volume "-"
LED Blue light for stereo
LED Red light for single