QQIANG93 Stylish LED Calling Sense Flash Light Hard Case Back Cover for Samsung Galaxy S4 i9500/i9505 (blue) This back cover is specially designed for Samsung Galaxy S4 i9500/i9505 Colorful LED flashing lights can make your cell phone super bright and gorgeous LED lights will flash when you're calling up, receiving incoming calls or messages It can protect and beautify your beloved cell phone.Be made of high grade plastic material, lightweight and durable Prevent your phone from scratches, bump, shock and other damage in daily use.Allow full access to all buttons and ports.Easy to install and remove