Motorola H520 Quick Start Manual page 21

Use & Safety for Battery-Powered Accessories
• Do not store or use your battery-powered accessory (such as a Bluetooth®
headset or other device) in temperatures below -10°C (14°F) or above 60°C
(140°F).
• Do not recharge your accessory in temperatures below 0°C (32°F) or above
45°C (113°F).
• Conditions inside a parked car can exceed this range. Do not store your
accessory in a parked car.
• Do not store your accessory in direct sunlight.
• Storing your fully charged accessory in high-temperature conditions may
permanently reduce the life of the internal battery.
• Battery life may temporarily shorten in low-temperature conditions.
Caution About High Volume Usage
Warning: Exposure to loud noise from any source for extended periods of time
may temporarily or permanently affect your hearing. The louder the volume sound
level, the less time is required before your hearing could be affected. Hearing
damage from loud noise is sometimes undetectable at first and can have a
cumulative effect. To protect your hearing:
• Start your volume control at a low setting and use as low a volume as possible.
• Limit the amount of time you use headsets or headphones at high volume.
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