These 3 in 1 magnetic cables suppport up to 3A fast charging and data transfer, and also help prevent wear of your phone's charging port from constantly connecting and disconnecting cables. The included Lightning, Type-C and Micro USB connectors ensure wide compatibility. Smart-charging technology ensure low temperature operation and automatically detects the ideal current to charge your device. Anti-tangling and wear-resistant braided nylon, high quality oxygen-free copper core, and high-grade rust-resistant aluminum alloy USB connector ensure fast charging, data transfer speeds, and maximum product life. An integrated LED indicator light makes it easy to find the cable in the dark.