User's Manual

■ Maintenance
• Do not use fast charger to charge the product to avoid affecting batteries’ service lives.
• If not used for long periods of time, please charge the product with lithium battery at least once per
three months.
• Keep the product away from humid places to avoid affecting internal circuit.
• Do not use the product during intense exercise or with much sweat to prevent sweat from dropping
into the product to make damage.
• Do not put the product in places exposed to sun or with high temperature. High temperature will
shorten service life of electronic components, damage battery and make plastic components
deformed.
• Do not put the product in cold places to avoid damaging internal circuit board.
• Do not dismantle the product. Non-professional personnel may damage the product.
• Do not drop, strongly vibrate, strike the product with hard object to avoid damaging internal circuit.
• Do not use drastic chemicals or cleaner to clean the product.
• Do not use sharp objects to scratch product surface to avoid damaging shell and affecting facade.