Key Features Equipped with a built-in 4900mAh battery, this handle provides approximately seven hours of operating time [1] for Action 5 Pro. It integrates camera control, magnetic quick-release, ball-joint adjustment, 3.5mm audio adapter, tripod support, and a 1/4″ thread hole for functional expansion, catering to a variety of creative needs. Compact and lightweight, it is easy to carry and grip. What's in the box:1 Osmo Action Multifunctional Charging Handle1 Charging Port Protector1 DJI Wrist Strap CompatibilityOsmo Action 5 Pro Osmo Action 4 1. Measured under laboratory conditions at 25° C, while recording 1080p/24fps (16:9) video, with RockSteady on, Wi-Fi off, and screens off. Data was collected in a controlled environment and should be taken as reference only. When activating and using Osmo Action 5 Pro in the EU and the UK, actual battery life may vary due to local regulations on product operating temperatures. Refer to the actual user experience.