78CAUTION when listening to musicTo protect your hearing, follow these instructions.• Increase the volume gradually until you can hearclearly and comfortably.• Do not increase the volume level after your ears haveadjusted.• Do not listen to music at high volumes for extendedperiods.• Do not increase the volume to block out noisysurroundings.• Decrease the volume if you can’t hear people speakingnear you.Battery informationThis product uses a Lithium Polymer battery. Do not use it in ahumid, wet and/or corrosive environment. Do not put, store orleave your product in or near a heat source, in a hightemperature location, in strong direct sunlight, in a microwaveoven or in a pressurized container, and do not expose it totemperatures over 60 °C (140 °F). Failure to follow theseguidelines may cause the battery to leak acid, become hot,explode or ignite and cause injury and/or damage. Do notpierce, open or disassemble the battery. If the battery leaksand you come into contact with the leaked fluids, rinsethoroughly with water and seek medical attentionimmediately. For safety reasons, and to prolong the lifetime ofthe battery, charging will not occur at low (below 0 °C/32 °F) orhigh (over 45 °C/113 °F) temperatures.The full performance of a new battery is achieved only aftertwo or three complete charge and discharge cycles. Thebattery can be charged and discharged hundreds of times, butit will eventually wear out. When the talk and standby timesare noticeably shorter than normal, buy a new battery. Use