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1. The earphone has a charging compartment design, charging is very portable and storage management is very convenient, there will be no phenomenon that it is difficult to find it after being thrown around;
2. The charging compartment has four grid power indicators, which can clearly and intuitively see the power status of the charging compartment;
3. The battery of the charging compartment is of 18650 type design, the capacity can be upgraded to 3000mah large capacity.
4. With USB output interface, it can be used as a mobile power supply and is very portable;
5. The charging compartment is equipped with LED display, which supports the display of the battery capacity of the charging compartment