【MFI Certified】 Approved by MFI (PPID 211915-0192), the iWatch charger could be safely used for most Apple Watch versions, including both 38mm and 42mm Apple Watch, Apple Watch Sport, and Apple Watch Edition.【Large Battery】 Built-in 900mAh high-density polymer rechargeable battery provides enough power for your Apple Watch. Worry-free about your Apple Watch is out of power when you’re on the go.【Portable and Delicate】 Pocket-size with a keychain, allows you to carry it out with more ease and fits into your pocket or bag easily, great for trips or traveling. And Compact design gives it a delicate shape.【LED Indiator】 With four Blue LED battery level indicators, this iWatch charger enables you to easily view the remaining battery capacity.【Safety Charging】 Features overcharging, over-voltage, over temperature and over-current protection without damaging your devices.SpecificationsProduct Model: T313Interface: Micro USB portCapacity: 900mAhPower Input: 5V/1APower Output: 5V/0.4AAvailable Color: WhiteMaterial: PlasticProduct Size: 5.5*5.5*1.5cmPackage Size: 90*90*25mmNet Weight: 142gCompatibility: Both 38mm and 42mm Apple Watch, Apple Watch Sport, and Apple Watch Edition.Certification: Apple MFI Certified, CE, FCC, RoHS (PPID:211915-0192)Package Contents: 1*CHOETECH Apple Watch Portable Charger; 1*User Manual; 1*After-Sale CardLED Indicator: Blue LED for charging state (1LED -- 0%-25%; 2LED --25%-50%; 3LED -- 50%-75%; 4LED -- 75%-100%)Warm Notice1. Another Micro USB cable ( NOT included) is required for charging this portable charger.2. Please remove your watch once it is fully charged and do NOT leave it charging overnight, for the power bank will NOT automatically shut off as your Apple Watch is complete charging.