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Play/Pause
Power On/Off
Display
Speaker
USB Key
Volume +/-
FUNC
REC
EQ
REW/FF
MENU
LED
Indication
Neck Strap
Earphone Jack MIC Line-in Jack
IR Remote Control
HOLD
Switch
The device is powered by a built-in Lithium-Polymer rechargeable battery.The battery
is a consumable supply and its performance may decrease over the time due to the
depreciation. The operation life of the rechargeable battery may be shorter than the
guarantee life period of the device. It is not a manufacturing defect and therefore it
cannot be a valid reason for a complaint.