User's Manual
14
excessive moisture, take it to an authorized service center for
inspection.
• Ensure that the charger meets the requirements of Clause 2.5
in IEC60950-1/EN60950-1/UL60950-1 and has been tested and
approved according to national or local standards.
• Connect the device only to products with the USB-IF logo or with
USB-IF compliance program completion.
Battery safety
• The device has a built-in, non-removable battery, do not attempt
to remove the battery, otherwise the device may be damaged. To
replace the battery, take the device to an authorized service center.
• Do not connect battery poles with conductors, such as keys,










