• Dual functionality: serves as a protective case and charger to charge up to 3 GoPro Hero 12/11/10/9 Black batteries simultaneously. • Compact and lightweight design, ideal for carrying in your bag, briefcase, or luggage. • Includes two 1750mAh lithium-ion replacement batteries to extend the usage time of your GoPro camera. • USB Type-C interface for an easy and secure connection in any direction. • Complete protection against overcharging, short circuits, electronic discharges, overheating, overcurrent, and overvoltage. • Product dimensions: Width - 0.1 cm, Height - 0.1 cm, Length - 0.1 cm. • Product weight: 0.14 kg.