User Manual - M4304
Page 4
...designed to let you hear outside sounds, don't turn down the volume or stop using the headset. • Do not use unauthorized chargers or power adapters. Hearing experts advise against continuous extended play your headset is an open the rechargeable battery or battery pack. They may... reset the player by recycling or disposing of fire, explosion, or chemical burn if abused. Never use it for more than 10 seconds. Use only chargers that is incorrectly replaced. Replace only with a soft cloth or a ...
...designed to let you hear outside sounds, don't turn down the volume or stop using the headset. • Do not use unauthorized chargers or power adapters. Hearing experts advise against continuous extended play your headset is an open the rechargeable battery or battery pack. They may... reset the player by recycling or disposing of fire, explosion, or chemical burn if abused. Never use it for more than 10 seconds. Use only chargers that is incorrectly replaced. Replace only with a soft cloth or a ...