Features: Customizable keyboard, 12Keys can be freely set functions to improve work efficiency. Keyboard function: Support all key on the keyboard, letters, number, F 1-F24, special characters, enter. Multimedia control: play, stop, previous, next, open browsers, refreshing, forward, backward and so on. Mouse Function: Support left and right center mouse button up and down left and right movement, scrolls wheel and other operations. Keyboard setting can be selected from the above four set up after and a variety of combinations of shortcut. Specifications: Size:about 9x7x3.1cm/3.54x2.76x1.22in Key: 12Keys Color: Optional Package Includes: 1Set 12Key Keyboard note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.