Nevir NVR-941BH Manual De Instrucciones página 20

4. Do not place the headset in a high temp
place, high temperature will .shorten the
device usage life, damage battery or lead to
some plastic distortion and melt.
5.Do not store the headset in low temp place,
when earphone temp arise to normal temp,
humidity will enter into the inner of the
headset, it will lead to pcb board damage.
6. Do not disassemble and modify the headset
yourself.
7.1f it's not used for a long time, prior to use
it, please charge the headset.
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