Mega Grip's side grip arms close to 2.25 inches and open to 3.25 inches Apple iPhone 6 Plus iPhone 6 5 5S 5C compatible， even with protective cases Recommended for cars and trucks having accessible 12 volt accessory outlets 2 year limited warranty Charge your phone while mounting it to your car’s cigarette lighter socket/accessory outlet with Arkon’s SM495 lighter socket car mount with integrated USB Charger. It is compatible with the iPhone 6 Plus， 6， 5， 5S， 5C， 4S， and 3GS， Samsung Galaxy Note 4 and Note 3， Galaxy S6， S5， S4， and S3， LG G3 and G2， Nexus 6 and Nexus 5， HTC One M8 and One Max， Droid MAXX， Amazon Fire Phone， Nokia Lumia 1520 and 1020， Motorola Moto X and Moto G. This mount package includes Arkon’s Mega Grip universal one touch push-button holder and lighter socket mount with integrated 5V 1 Amp USB charger. Insert the mount into your car’s accessory outlet or cigarette lighter socket， mount your device， then connect your device’s USB cable (sold separately) to the mount’s built-in USB slot to charge it. The universal design of the holder accommodates any smartphone having up to 3.25” width with no height restrictions， making it compatible even when used with a large protective case or skin. The holder’s unique side-grip technology provides a strong grip that’s easy to use. Just set your phone in the mount and close the arms to lock in place. A push of the holder’s side button releases the phone. The swivel ball adapter head provides 360° rotation and 5” gooseneck bends for ultimate flexibility. Note: this lighter socket mount may not be suitable for some vehicles based on the location of the lighter socket/accessory outlet on the console.