Tycom Gravity Car Phone Holder Air Vent Mobile Phone Car Mount Stand Cradle With Auto-Grip Clamp, Anti-Slip Pad Innovative design, Gravity Linkage When your phone is placed, the gravity system will be activated by the weight of the phone. It is super convenient to install or remove your phone/from this gravity car phone holder. The gravity clamp locks your phone automatically and grips it firmly. Tool-free and one-hand operation. Optimal Vision, Safer Driving The Gravity Mobile Phone Holder features a 360-degree rotatable ball to adjust your phone to a prime angle for hands-free GPS navigation & phone calls without block to driving vision. Hands-free navigation allows you to be more concentrated on road conditions and significantly improves driving safety. Be Soft to Your Loving Car and Cellphone The Vent Phone Holder Clip features soft silicone pads on its gravity arm holders and grip. Not just ensure firm attachment and reliable grip, but prevents scratches on your cell phones and car air vent slats. No need to stick metal plate or 3M glue to your phone or car. No affect on the beauty of your loved phone or car. Keep Your Phone On Power The reserved charging port of this car air vent phone mount enables you to charge your phone and keeps it on power even on this gravity mount. Never worry about power off on your trip when this car mount is installed. Moreover, no block to other buttons on your phone.