•Improper battery use may result in a fire, explosion or other hazard.
•Promptly dispose of used batteries in accordance with local regulations.
•The device should only be connected to products that bear the
Cleaning and Maintenance
•The device, battery, and charger are not
•Do not place your device, battery, and charger in places where they can get damaged because of collision. Otherwise, it may lead to battery leakage, device malfunction, overheating, fire, or explosion.
•Do not place magnetic storage media such as magnetic cards and floppy disks near the device. Radiation from the device may erase the information stored on them.
•Do not leave your device, battery, and charger in a place with an extreme high or low temperature. Otherwise, they may not function properly and may lead to a fire or an explosion. When the temperature is lower than 0°C, performance of the battery is affected.
•Do notplace sharp metal objectssuch as pins nearthe earpiece. The earpiece may attract these objects and hurt you when you are using the device.
•Before you clean or maintain the device, power off the device and disconnect it from the charger.
•Do not use any chemical detergent, powder, or other chemical agents (such as alcohol and benzene) to clean the device and
