1. Please stop using the device and disconnect all connection with other devices before cleaning.
2. Please clean the band with cleaning cloth or soft brush.
3. Please keep the device and its accessories dry. Please don't use the heater such as microwave or hair drier to dry the device.
4. Please don't put the device and its accessory on the area where the temperature is too high or too low, otherwise the device may be breakdown,fired or exploded.
5. In order to avoid the device and its accessory damage or breakdown, please avoid to shock or vibrate the device strongly.
6. Please don't disassemble the device and its accessory. Please contact the after-sale service once the device is breakdown.