Features: Wearable magnetic charging for Watch 9/8/7/6/5/4 with 1200mAh capacity combines wrist worn charging and extended power backup in a lightweight design. Features patented magnetic alignment for instantly snap on charging, silicone metal construction for durability, and universal compatibility with 40mm/41mm/42mm Watch models. Ideal for fitness enthusiasts, frequent traveler, and professionals needing uninterrupted smartwatch functionality during workouts, commutes, or business trip. Seamlessly charges while jogging, working at office, or traveling , wrist accessory that blends with casual or activewear. Builtin temperature control and overcharge protections ensure safe, stable power delivery, maintaining battery health for long time device performances. Specifications: Material: Silicone + Metal Battery capacity: 1200ah Battery type: Polymers Energy conversion rate: >65 Battery conversion capacity: 500ah Type C line input: 2.5V-1A Wireless output: 2.5w Color:Starlight,Midnight Color,Brown Package Includes: 1Piece Mobile Power 1Piece Silicone Cover 1Piece Manual note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.