This product is a rechargeable battery cover compatible with GoPro HERO 9/10/11 Black. It's designed to allow direct charging via the side Type-C charging port while filming, and it's very easy to install. This battery cover with a charging port is extremely convenient for maintaining your camera's power during active shooting. ・Compatible Models: GoPro HERO 9/10/11 Black ・Features: Type-C charging port for direct charging from the side