1Battery Charger: 3 port battery charging hub with charging cable is designed for Osmo Action 4 3 batteries. It also features storage slots for 3 memory cards, ensuring easy access to batteries and memory cards for worry free shooting. 2Quick Charging: The charger supports simultaneous charging of 3 batteries at maximum power, ensuring quick charging even when the batteries are low. It gradually reduces charging power as the batteries reach a high charge state, preventing overcharging and allowing for worry free shooting. 3Safety Circuit Design: The charger is equipped with overcharging, overcurrent, overvoltage, short circuit, overheating, and electrostatic prevention, ensuring safety and peace of mind. 4Charging Indicator Lights: The charging hub features indicator lights. The yellow light indicates the charging status, while the green light indicates a full charge. The blue indicates that the charger is connected to a power source. 5Type C Charging Interface: The battery charger for Osmo Action4 3 has a Type C charging interface, which makes charging convenient and fast. 1 x Action Camera Battery Charger 1 x Charging Cable 1 x User Manual