Come and see our amazing products. It is powered by built-in Rechargeable Battery with USB cable. Don't need extra batteries. With 36 LED bulbs will be able to provide enough lighting for you to take great selfies, providing continuous LED light, less heat and with a bright light in low light scene. Just clamp this flexible clip ring light on your smart phone and press the power button and you will get the supplementary lighting. There are 3 adjustment of light settings: Low, Medium, and High, all of which you cycle through with a singular button. The light intensity changes significantly at each setting. And its soft light does less harm to your eyes. It is lightweight and it can be easily carried in your pocket or bag so you can enjoy using it everywhere. Package Content: 1 x 36 LED ring light (white) 1 x USB cable. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.