Features:brand new and high qualityType-C to USB interface, no driver required.Button customization, can be set according to customer requirements. The customer can provide the setting content to our customer service, or it can be designed by the customer. We send the setting software, provide video operation instructions, and can also provide remote technical assistance.This button can also be used to achieve complex operations, and is a good helper for office, games, music, media, and industrial control.Mechanical for key shaft, durable.Support ergonomic design.Support hot swap.Available operating systems: for Windows/vista/linux.Wireless can be used for computer, Bluetooth-compatible can be used for mobile phones volume control, previous track and next track function. Specifications:Material: AcrylicSpecifications: wired white, wired black, Bluetooth-compatible white, Bluetooth-compatible black (optional)Current and voltage: for DC 5V/1AInterface: Type-CKeys: 12Knobs: 2Axle: Outeum red switchProduct size: approx. 130x72x35mm/5.12x2.83x1.38in Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank youPlease allow 1-2cm measuring deviation due to manual measurement. Package includes:1 x Keypad1 x Data Cable