This USB C to Lightning cable is produced by C94 (for Apple PD Fast Charge) and supports fast charging up to 3A (max). You'll be able to charge for iPhone X from 0% to 50% in 30 minutes (using a USB-C PD charger, not included), nearly 2x faster than a regular 1A charger This USB Type C to lightning cable also supports data transfer between for iPhone and a USB-C laptop or desktop. Data transfer rate up to 480Mbps. 1G large file completed in 25s Specifications: Wire core: Tinned copper Outer cover: TPE Wire diameter: 3.3mm Current: 3A (Max) Compatible with: (Incomplete List) For Lightning connector (PD charging): For iPad Pro 12.9" / 10.5", for iPhone 11 / 11 Pro / 11 Pro Max / XS Max / XS / XR / X / 8 Plus / 8 etc. Non-PD charging: For iPhone 7 / 7 Plus / 6 / 6 Plus / 6S / 6S Plus, for iPhone 5, 5s, 5c USB-C connector: For Apple MacBook 12" 2015/2016, for MacBook Pro 13" 15" 2017/2018, New MacBook Air, etc. For iMac 21.5", for iMac 27", for iMac Pro, for Google Chromebook Pixel and more For Huawei MateBook X Pro / 13, for Mi Notebook Air / Pro, for Dell XPS 13 / 15, for HP EliteBook Folio G1, for ThinkPad X1 Carbon etc.