Form Factor :Clip Holder Gooseneck Arm: This gooseneck phone holder is extra long at 90 cm (34.5 inches) and wide at 1.5 cm (0.59 inches). Its textured surface increases friction and prevents slipping, allowing for a more stable fit against poles, railings, and handlebars, ensuring your phone functions properly even when shaken. Flexible and Adjustable: Made of elastomer, ABS, TPE, and magnesium-aluminum alloy, the flexible phone holder can be easily bent and stretched manually for quick and easy fitting to poles and handlebars. The ball head supports 360° rotation adjustment for optimal viewing. Phone Clip: The treadmill phone holder main body is made of ABS with a stainless steel screw. Unlike common spring-loaded phone clips, its adjustable knob makes it compatible with various smartphone models. Built-in anti-slip rubber pads ensure a secure grip, making it especially suitable for shopping carts and wheelchairs, keeping your phone stable even on bumpy surfaces. Easy to install: This phone holder for treadmill is incredibly easy to install and remove. The gooseneck phone holder can be wrapped around various surfaces such as treadmills, elliptical trainers, strollers, shopping carts, car headrests, exercise bikes, Peloton bikes, metal poles, and shelves. (Note: This phone holder is not suitable for outdoor riding, such as motorcycles, bicycles, or scooters.) Compatibility: Universal phone holder, compatible with 3.5~7.5 inch (diagonal screen) smartphones, including iPhone 17/Pro/Pro Max/Air, iPhone 16/Plus/16 Pro/Pro Max, 15/14/13/12 Pro/Pro Max/Plus/Mini, iPhone 11/Pro/Pro Max, Galaxy S22/S21 Ultra/S20/S10/S9/S9 Plus, Nexus, HT, LG, Note 20 Ultra, Google Pixel, and other phones.