brand new and high quality Features: Clever use of the desk hole makes the desk clean and tidy, and improves work efficiency. Manually press, lifting hidden extension hub, compact and light, not occupying space. Built-in multiple for protection functions, over-voltage for protection, over-current for protection, over-heat for protection, short-circuit for protection, etc., escort your charging process. 3 USB interface can be expanded at the same for time, support multiple devices, high-speed transmission, stable operation, no stuck, no delay. Support daily USB devices, such as keyboards, mouse, card readers, USB flash drives, mobile hard drives, USB fans, USB radiators, bank USB shields, USB cameras, etc. Tips: The diameter of the table hole must be greater than 5cm. Specifications: Product name: USB Extension Hub Material: ABS+PC Power: 5V 2.1A Size: app.80x67mm/3.15x2.64in Optional Color: Silver, White, Black Optional Plug Type: US Plug(110V), EU Plug(220V) Quantity: 1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Extension Hub 1 x Power Adapter 1 x Manual 1bag x Screws(other accessories demo in the picture is not included.)