Adjustable soft silicone cradle fits smartphones or portable GPS and other devices with width up to 4.3 inches Clamp mount opens up to 2.75 inch Soft aluminum 28 inches gooseneck flexible telescopic arm so you can adjust it to an appropriate position for comfortable and convenient viewing Durable clamp with a sturdy clip to fixed the location steadily on any car headrest， desks， headboards，wall cabinets， countertops， roll bars， wheelchairs etc. Supports landscape or portrait viewing position The easy install and easy to use clamp mount is a must have for any smart phone user. By clamping to your bed， desk， kitchen counter， chair， exercise equipment etc.， it frees your hands for multitasking activities. Adjust your phone to optimal position with the extra long goose-neck and ball joint. The silicone grip holds the phone securely and will not scratch the phone. Whether your are using your smartphone for GPS， videos， music， movies， recipe or teleconferencing， the i.Trek clamp mount with universal bracket is the perfect handsfree accessories for your smartphone.