Rechargeable Battery+USB Cable-This clip on phone camera selfie ring light includes a built-in rechargeable battery. Just plug in USB interface device or you can plug in regular outlet via cellphone adapter. So it can be used anywhere and anytime. 9 Lighting Effects Adjustable-There are three modes on the iphone selfie Light Ring, cold light, warm light, neutral light. 3-level brightness adjustment for each mode, 9 kinds of lighting effects to help you take selfies, make up, beauty fill in light, as a emergency lighting, etc. Universal Compatibility - This light is easy to clip on most phones.Compatible with most smart phones, tablets, laptops, etc. Such as iPhone x, 8, 7/7plus 6/6plus, 6s/6s plus 5s, 5, 4s, 4; Samsung Galaxy S8/S8plus,S7, S6 Edge, S6, S5, S4, S3 and Note 5, 4, 3, Sony, Motorola. Angle Adjustment and Easy Operation-Rotate the ring light to control the distance between the fill light and your face to obtain the best light source. Only one button to control, you can change the lighting effects easily and quickly