Built in long lasting rechargeable battery. USB charger cord included. 3 brightness levels for all lighting conditions. The ring light provides soft lighting to enhance pictures and videos. Mini non-slip clip-on designCompatible with almost any phone tablet laptop etc. The selfie ring light features a non-slip clip that attaches to your device. The inside of the clip includes soft padding to ensure your phone stays scratch free. It's easy to attach and remove the ring light. Enhance your selfies Facetime calls Zoom meetings video conferences professional headshots etc.