Apple Watch Magnetic Fast Charger to USB-C Cable (1 m) Make charging your Apple Watch utterly effortless. And now, it charges up to 33% faster when paired with Apple Watch Series 7, so you can reach 80% charge in about 45 minutes.* Simply hold the connector near the back of the watch, where magnets cause it to snap into place automatically. It’s a completely sealed system free of exposed contacts. And it’s very forgiving, requiring no precise alignment.Fast charging is only compatible with AppleWatch Series7. Other models will have regular charging times. Compatibility Apple Watch Series 7 Apple Watch Series 6 Apple Watch SE Apple Watch Series 5 Apple Watch Series 4 Apple Watch Series 3 Apple Watch Series 2 Apple Watch Series 1 Apple Watch 1st generation *Testing conducted by Apple in August 2021 using pre-production Apple Watch Series 7 (GPS) and Apple Watch Series 7 (GPS + Cellular) with Apple Watch Magnetic Fast Charging USB-C Cable (Model A2515) and Apple 20W USB-C Power Adapter (Model A2305), as well as Apple Watch Series 6 (GPS) and Apple Watch Series 6 (GPS + Cellular) with Apple Watch Magnetic Charging Cable (Models A2255 and A2256) and Apple 5W USB Power Adapter (Model A1385); each Apple Watch paired with an iPhone, all devices tested with pre-release software. Charge time varies with region, settings and environmental factors; actual results will vary.