Sylvania SMPK2072 Manuel De L'utilisateur page 7

4.3 Charge the battery
The device has a built-in lithium-icon rechargeable battery. It is charged via USB
connection. You are required to charge it when you use it for the first time. It takes
about 3 hours to fully charge the battery. Connect the larger end of the USB cable
to the USB interface of PC, and connect the other smaller end of the USB cable to
the USB interface of this player. The device is connected to PC and being
charged.
NOTICE: For maximum performance, lithium-ion batteries need to be used often. If you
don't use the device often, be sure to recharge the battery at least once per month.
7