Extra battery, wireless power and protection all in an ultra-slim case. 
- Sleek 1,720mAh battery delivers enough power to extend the life of your iPhone X to a total of 30 hours.* 
- The latest Qi wireless technology works with any wireless charging systems like those available at coffee houses, in furniture and many new cars. 
- Ultra-slim, low-profile design feels great in your hand and feels so thin, you?ll hardly notice the built-in battery. 
- Everyday protection features internal rubberised support pads built to withstand drops and hard falls, while raised corners provide added protection against scratched and cracked screens. 
- Priority+ charging allows pass-through charge & sync; the phone charges first, and then the juice pack battery. 
- Turn the juice pack battery on/off with the LED Status Indicator button, or press to display battery levels and charge status.