Operating and storage temperatures
and humidity
• Store in a place where the
temperature is between -20°C (-4°F)
and 50°C (122 °F) with up to 90%
relative humidity.
• Operate in a place where the
temperature is between 0°C (32°F)
and 45°C (113 °F) with up to 90%
relative humidity.
• Battery life may be shorter in high or
low temperature conditions.
EN 3
If the headset is not used for a long time, the
rechargeable battery will begin to lose its
charge. To avoid this loss, please fully charge
the battery at least once every three months.
To avoid risk of re, the equipment is supplied
only by external power source which output
shall comply with PS1 (with output capacity
less than 15W).
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