AGPtEK Visible LED Micro USB Charging Cable for HTC Samsung Galaxy S3 S4 Android Phone and Tablet, Data Sync & Charger Cord with Light(Blue) Compatible with most devices that have Micro USB 2.0 Port. Beautiful and cool lights up full of the cables when charging or transferring data. Allow to connect through a computer's USB port or a USB power adapter. Light more effective in darker places. About 3.3 ft(1m) long with Blue cable and Blue light.