Pentagram Pattern LED Flash Light Protective ABS Back Case for Samsung Galaxy S4 i9500 - Black
1. LED light flashes/blinks in six alternative colors for approximately 15 seconds then goes off when making or receiving a call or sending or receiving a message. 2. Protects your devices from dust scratches and shock. 3. Compatible with Samsung Galaxy S4 i9500. 4. No interference with your phone buttons ports or connectors. 5. One 3V lithium battery (CR2016) is included. (Please note: the negative side is up when push it into the back cover); can be replaced when used up.