For Samsung Galaxy S3, S4, S3 mini, S4 mini Smile Face LED 1m Micro USB Data Sync Charger Cable New! (Purple) Compatible for charging with Samsung galaxy S3, S4, S3 mini, S4 mini U380, R640, R390. Smiley LED glows when cable is plugged in for charging. Available is variety of colors. Cable is 1 meter long. Very comfortable is size for charging and carrying Very fast charging and data transfer