Battery capacity: 2000mAh Input connector: USB Output connector: Wireless for Apple Watch Input: 5V - 1A Size: 2.56 * 1.46 * 0.55 inches Charging time of the charger and the Ap 1. Wide compatibility: The Apple Watch charger is compatible with all Apple Watch series 4/3/2/1, 44 mm, 42 mm, 40 mm, 38 mm, Apple Watch Sport. 2. Wireless magnetic charger: The Apple Watch USB charger offers wireless charging and magnetic suction function. Simply hold the USB iWatch charger near the back of the watch, the apple watch is sucked into the charging station by a magnet. 3. Fast charging speed The wireless charging cradle for Apple Watches consists of ABS+PC material construction. The integrated smart chip provides the original charging speed for your Apple Watch Series 4/3/2/1. It takes only 2-3 hours to fully charge your Apple Watch. 4. Safe charger for your Apple Watch: The intelligent chip integrated in the Apple Watch charger with overcurrent, overvoltage, short circuit and overtemperature protection offers you a safe environment for the watch and the charger. 5. Light and practical The small and elegant design allows you to carry the Apple Watch wireless charger easily. You can hang it on your pockets, on your keychain or in your pockets, ideal for traveling or traveling.