XR 74 BT
CORRECT USE OF RECHARGEABLE
Charge the battery at a temperature between 5°C and 35°C.
Do not prolong charging more than 6 hours to avoid the risk of overheating and explosion .
The battery charging over the indicated time period or a prolonged period of inactivity
can shorten battery life.
The rechargeable battery is subject to wear and its capacity will gradually decrease.
To extend battery life, use it when it is fully charged to completely discharge, then
fully charge it again before using it again.
By charging a battery is not fully discharged , its duration will be reduced. In this case,
repeat the cycle load / unload complete several times.
SPECIFICATIONS
Rechargeable Battery : Internal Lithium 3.7V
Power Supply: DC 5V
Bluetooth: 2.1+EDR
Radio Frequency: 87.5 - 108.0 MHz
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