Charge your phone any way you like with the TYLT Pebble Wireless Charger and Power Bank. Compatible with all Qi devices, this gadget provides a single coil charging solution. The Pebble comes with a 4000 mAh battery, offering up to two full charges via a wireless charge. Just put your phone on top of the Pebble to enjoy wireless charging on the move. You don’t even have to take off your case or cover before resting your phone on the Pebble. In addition, the Pebble is can wirelessly charge your Samsung S7, S8 or S9 as well as your iPhone 8 or iPhone X. Similarly, you can also use the universal USB port to charge your phone. Simply plug your cable into the port and press the power button to start charging.