The magnetic charging cable is compatible with All Apple Watch 38mm or 42mm models such as Apple Watch Series 3, Series 2 and Series 1, Apple Watch Nike, Apple Watch Hermes, Apple Watch Edition. The charger is a great space, which can be put in a car, on the desktop or in-house as an alternative charger for Apple Watch. 3.3ft Length is long enough to put your iWatch on the desired place for charging. It is tiny and compact, which is easy to put into your bag, which is ideal for traveling and on the go in the case. It can output 5V/1A voltage and current when charging, fast charge your Apple Watch. Input: 5V / 1A Output: 5V / 1A Working Temperature: -10 ~ 50 Recharge Time: About 2.5 hours