The Bracketron OneClick Ext mount series has a sleek design and boasts universal expansion arms – accommodating phones up to 4” wide. Patent Pending OnClick™ mechanism allows you to easily secure your phone by simply pressing your phone against the front surface which activates the locking trigger mechanism. It also features the ability to release your smartphone in seconds with the quick, one-handed release arms. The OneClick is Bracketron’s simplest mount that is true, one-handed operation. You can simply set it & forget it.