This is the MagLight: a MagSafe smartphone light that doubles as a power bank for it. It can be used as a camera light for your selfie or rear camera. You can control this light with your smartphone via Bluetooth. You can easily customize lighting effects and colors.
This light is compatible with iOS and Android devices. It lasts up to 6 hours at 80% brightness. You can find this project on Kickstarter at this time.