The Yesido Smart Tablet Holder C33 is a versatile accessory designed for both phones and tablets, offering features like 360-degree rotation, adjustable angles, and a stable base. It's made from materials like ABS, carbon steel, and silicone, with a surface technology that includes sunburn and oxidation according to Startech Store. The holder can accommodate devices from 4 to 11 inches and is suitable for use at home, in the office, or for live broadcasts. 
Here's a more detailed breakdown of the specs:
Compatibility: Supports devices from 4 to 11 inches. 
Rotation: Features 360-degree rotation for optimal viewing angles. 
Adjustability: Offers flexible angle adjustments with multiple pivot points according to JoCell. 
Material: Made from ABS, carbon steel, and silicone according to Startech Store. 
Surface: The silicone surface is designed to protect devices from scratches. 
Base: The base is made of a stable metal structure. 
Port Access: Allows for charging while the device is in the holder. 
Dimensions: The product dimensions are approximately 150 x 150 x 400mm according to Startech Store. 
Weight: The holder weighs approximately 660g according to Startech Store.