1. Smart matching, charging and plug-and-play, full support for iOS and various Android phones. 2. Built-in 2.1A current, one for three without pressure, built-in high-purity copper core, charging faster, safer and more stable. 3. Aluminum alloy shell, sturdy and durable, delicate hand feeling. 4. The sturdy card tail is made of soft PVC, which is not deformed by bending. 5. Cable length: 1.2m 6. Current: 2.1A 7. Function: data transmission/charging