Into Wireless Simply put your smartphone on the charger and watch the battery level top up. Thanks to inductive coupling and Qi Wireless charging standard, now you can ditch your USB cable and step into the era of wireless charging. Triple Coil One coil is enough to charge your device, why 3? Because the placement of the receiving coil is different for every device, some higher, some lower. By having 3 coils vertically overlapping, the RAVPower charger perfectly aligns itself with your device to maximize charging efficiency. A Phone Stand Flip the kickstand and make your phone stand up. You can easily read incoming txt messages without picking up your phone; you can also enjoy your favorite movies or hands-free video chatting with your friends while the phone is charging. Popular Compatible Models: Direct Charge Models: Nexus 7 2nd Gen; Nexus 4 Nokia Lumia 920 HTC 8X; HTC Droid DNA; HTC America Butterfly; HTC Droid Incredible 4G LG Optimus Vu2; LG D1L; LG LTE2;Samsung Galaxy S6 Models that Require a Wireless Charging Case / Cover Adapter: Samsung Galaxy S5, S4, S3; Galaxy Note 2, Note 3 Nokia Lumia 820, 925, 925t, 928, 1020 iPhone 6 Plus, 6, 5S, 5C, 5, 4S HTC ONE X; HTC G Incredible S Sony Xperia Acro S LG G2 Note: Protective cases that exceed 5mm/ 0.2 inch thick prevent the charger from working properly. For these cases, please remove before charging. Wireless charging rate is 70%-80% compared with a wired charger.