'Cause good lighting can't run out of battery Video call. Content creation. You KNOW the power of great lighting and this selfie light is about to rival facing the window. With adjustable light settings, your wireless rechargeable ring light is effective, easy-to-transport, and crazy compact.   * Built-in 7500mAh battery (can power the ring light for 2.5-4 hours). ** Additional phone holders sold separately. Option 1: Ring Light with 1 Phone Holder Option 2: Phone Holder (One Extra)