Yibyone&reg; Luxury Light UP LED Selfie Luminous Hard Back Case for Samsung Galaxy (S6 Black) Function: LED Fill-in Light + Selfie + Power Bank + Phone Case + Dirt-resistant Dimmer switch to control light output and let you control the light. Rechargeable battery and charging cord. Long lasting battery that works Independently of your Phone. Tough, impact resistant plastic. Your Phone is snug and safe with the case. The case provides great protection - it withstands drop tests Light at the tip of your fingers. Perfect lighting is just a click away with an easy on/off switch.