User's Guide

62
Operating, transport, and storage conditions
Operating conditions Discharging Charging
Temperature  
Relative humidity  
Risk of injury, re, or explosion during shipment. Shipping hearing instruments needs to
abide by local regulations.
Please use this product within the specied temperature range. If the temperature is too
high or too low, it may cause equipment failure. When the temperature is lower than 5

,
battery performance is limited.