~Built-in 700mAh Li-Polymer battery pack Can deliver up to 2 charges for your Apple Watch. XTAG's charging module is officially produced by Apple manufacturers and we ensure quality and charging efficiency. ~Wireless charging over magnetic platform Simply place your Apple Watch on the magnetic platform and get your watch charged up. The charging speed of this iwatch power bank is similar to the original charging station. ~Certified with MFi, CE, FCC & RoHS With protection against over-current, overheat and short circuit, this portable Apple Watch charger ensures safe charging for your watch. ~Mini Size and Lightweight This Apple Watch power bank is only half size of a credit card and as light as the Apple Watch. With key-chain design, you can easily hang it to your handbags and get your watch charged whenever you need. ~Over-current protection & electronic quantities detection ~Support Apple Watch Series 1 to 6, SE, Nike+ Series 2 and 3, LTE (GPS plus Cellular)