Samsung Galaxy S4 Qi Compatible Wireless Charging Pad w/ 2amp Travel Charger (Compatible with Wireless Charging S-View and Flip Cover Case) - Desktop Charger Charging Pad - Gray/ Silver Charge your phone without connecting to a port or cable Will work with hundreds of Qi-capable devices including Wireless Charging compatible Samsung devices Multi-colored LED ensures a good connection when charging your device Light glows yellow for incorrect alignment and green when wireless charging is working