Product material: 7075 aluminum alloy+ABS materialProduct Material: Aluminum Alloy+DuPont PA (High Grade Nylon)Suitable pipe diameter: 32-25-22mmSuitable phone size: 3.5-6.5 inchesProduct colors: Black, Blue, Red, SilverImportant notice: The product size chart uses the "rechargeable version" as a display, only for the purpose of displaying the product size description, not the actual product (the rechargeable version and non rechargeable version are the same in size, only slightly different in function, everything else is basically the same)