This mobile phone holder is designed to secure your mobile phone whilst you are driving, your phone will be secure even while turning, driving over pot holes and speeds bumps and on uneven roads. Simply attach the holder to your cars air vent. This holder is designed to accommodate the majority of mobile phones thanks to the gravity style design, simply place you phone in the centre of the holder and let gravity do the rest, the weight of your phone causes the side clamps to shut around your phone securely. The adjustable swivel ball is designed so that you can achieve the optimum viewing angle through a 360 degree rotation. The phone holder will accommodate most phones with a maximum width of 12cm. Lock and release your phone with only one hand. The holder is supplied with a charging cable, USB A to Micro USB Maleso that you can charge your phone whilst on the move. Never phone/text and drive.