1. Battery charging compartment is for Insta360 Ace/ Ace Pro action camera,

2. Small size and light weight, easy to carry.

3. USB Type-C charging port, and the charging speed is fast.

4. The flap can be closed more effectively, so you don't have to worry about falling out when installing the battery.

5. The storage box design can not only charge, but also store Ace/ Ace Pro batteries and SD card, well organized, easy to find.