Portable Charger for the Apple Watch

MFI Certified: This charger is MFI Certified. This product is compliant with MFI standards.  Compatibility: Charges 38mm to 44mm Apple Watches. Series 0 (Original), Series 1, Series 2, Series 3, Series 4, Nike+ Apple Watch, Hermès, and Apple Watch Edition. Models Supported. 1st Generation, 2nd Generation, 3rd Generation 4th Generation & Sport Versions Portable: Use it as a key ring, clip it to your backpack, or carry it in your pocket or purse. It is compact, lightweight & portable. Great for those who travel a lot or are on-the-go.  One of a kind: Ergonomic design. The cable folds into the housing. Plug it into a power bank (not included), wall adapter or computer USB-A port.