Maximum load capacity: about 350g, equipped with 0.6cm screw, compatible with miniature cameras under 350g or smartphone (including phone clamp). Calligraphy video support: Avoid shaking and the screen is blurry, suitable for holding documents, books and other small subjects. Calligraphy video holder can be adjusted for recording angle, 360 degree rotating ball joint, recording angle adjustable from 30 to 45cm, ideal for flat recordings, recordings in height and vertical records. Tabletop phone holder: cast iron base and aluminum alloy pull rod, foldable and vertically adjustable, lightweight, stable and durable. 1 x adjustable tube; 1 x foldable metal base; 1 x Universal Cell Phone Clip. Product Calligraphy video media specifications: Maximum load capacity: 350 g. Suitable for smartphones under 300g. Only with a thin and thin protective cover. Base material: iron. Link Rod Material: Aluminum Alloy. Adjustable height: 30-45 cm. Pull-up bar, adjustable capacity: 180 degrees. Upper platform adjustable capacity: 30 degree to 90 degree. Color: black and silver. Package size: about 33 x 5 x 4cm. Cell phone holder for the table includes: 1 x adjustable tube. 1 x foldable metal base. 1 x Universal Cell Phone Clip. Videophone holder suitable for: iPhone X, iPhone 8, iPhone 8 Plus. Samsung Galaxy S8, S8 + Plus. iPhone 7, iPhone 7 Plus. iPhone 6s plus, 6s, 6 plus, 6, iPhone 5s 5g, 5c. Samsung Galaxy S7, S7 Edge, S7 Edge, S7 Edge, Samsung Galaxy S6, S6 Edge, S6 Edge, S6 Edge, S5, S4; Samsung Galaxy Note 5, Note 4, Note 3, Note 2, Note 1. Samsung Galaxy S9, S9 +.