Stores three batteries and two microSD cards*. Intelligently fast charges three batteries. and can be used together with those batteries as a power bank to charge other devices like a smartphone.
In The Box
Osmo Action Multifunctional Battery Case × 1
Specifications
Dimensions: 116.2×59.2×22.9 mm (L×W×H)
Compatibility
Osmo Action 4
Osmo Action 3
*Batteries and SD Card pictured not included