Features: Fast Type C Charging: This powerbank case features Type C interfaces for quick charging, solving slow charging issues with traditional ports. Ideal for frequent device users to maintain full battery in traveling. Replaceable 21700 Battery: Designed with compatible 21700 battery slots for easy replacement when power runs low. Perfect solution for extended outdoor activities or business trips to ensures uninterrupted power supply. durability Plastic Construction: Made from quality plastic offering excellent durability and protections against daily wear and accidental drops. Provides long lasting safety for users who carry power banks regularly. Compact & Portable: Lightweight design easily fits in backpacks or handbags without adding bulk. Convenient for commuters and students to carry daily and access power . MultiScenario Use: Adapts perfectly to various environments including home, or outdoors. Suitable for diverse users from business professional to outdoor enthusiasts seeking reliability portability power. Specifications: Component: plastic Size:Approx.82x45x26mm/3.23x1.77x1.02in Color: black, silver, blue, red (optional) Supports Type C fast charging Suitable for daily commuting, business trips, outdoor activities and other occasions, providing users with reliability power supply. Package Includes: 1pc Powerbank Case(Battery not included) note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.