Specification: _x005f_x000D_ Certification: CE _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Wired _x005f_x000D_ Application: Number _x005f_x000D_ Language: English _x005f_x000D_ Operation Style: Mechanical _x005f_x000D_ Interface Type: USB _x005f_x000D_ Style: Numeric Keyboard _x005f_x000D_ Package: Yes _x005f_x000D_ Backlight Type: Multicolor _x005f_x000D_ Material: ABS _x005f_x000D_ Color: black _x005f_x000D_ Connection mode: wired _x005f_x000D_ Interface: USB2.0 _x005f_x000D_ Number of keys: 21 _x005f_x000D_ Keyboard life: 50 million times _x005f_x000D_ System support: applicable for Windows 2000/Windows 7/Windows 8/Windows 10/Windows Vista/Windows XP _x005f_x000D_ Wire length: 1.7m _x005f_x000D_ Product weight: 200g _x005f_x000D_ Product size: 132 * 86 * 40mm/5.2*3.4*1.6in _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ 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 you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Digital Keyboard 1. Plug and play: USB cable, driver free, plug and play, easy to use. 2. 13 RGB lighting effects: 13 RGB lighting effects make your keyboard unique and easy to switch to meet your needs. 3. Comfortable Grip: Adopt high key cap trapezoidal design, sensitive typing, reduce errors and feel comfortable. 4. Double color keycaps: Double color keycaps and large character spacing improve speed and accuracy, and are easy to locate and press the number you want to find.