Andoer Tolifo Photography Fill-in Light 9 LED 4 Modes for iPhone Sumsung Sony Smartphone Cellphone Selfie Monopod Great fill-in light to help you take photos in low-light situations. By pressing the button for about 1 second, you can adjust the brightness one by one.(25% / 50% / 75% /100% brightness) 9 highlight LEDs, low energy, high brightness. 3.5mm standard socket to attach it to your phone. Built-in rechargeable li-ion battery, recycle and eco-friendly, no consumption of the smartphone power.