Best_Express iPhone 6s Plus LED Charger, Light Up Charging Cable Luminescent Visible Current Flow Smart Charger & Sync Cable for Apple iPhone 5S 5C 5 (Blue for iPhone 6s Plus) Visible LED Flow Current iPhone Data Sync Charging USB Cable for iPhone 5 Electroluminescent (EL) technology to see current flow as charging; Visible current flowing speed indicates the iPhone battery level: 1% - 65% FAST; 65% - 99% SLOW; 100% OFF; Shuts off power from the source when your device is fully charged; Reducing the consumption from charging and data sync; Hotsysnc & Charging all in one. Connect your cellphone with your PC/Laptop by USB port.