Features: 4X larger than standard keyboard fonts, clear and easy to find, and can really help those who have trouble seeing keyboards. Perfect for elderly, the visually impaired, schools, special needs departments and libraries, etc Full 104 for key keyboard layout with numeric keypad does not require you to relearn how to type. White backlight is bright and evenly distributed, without for glare, less light pollution than color backlit, protect your eyes, and it is more convenient to type in low-light environments. Backlit can choose to turn on/off and adjust brightness. Built-in multimedia and quick-access hotkeys for your convenience. Media player, Volume -, Volume +, Mute, Stop, Previous track, for Play/Pause, Next track, E-mail, Home page, for Key lock, Calculator. 4.9 ft wired USB connection, quick and easy installation, no driver. Specifications: Material: Plastic for Key number: 104 Product size: approx.45x16x2.7cm/17.7x6.3x1.06in Weight: 800g Color: black Interface Type: USB wired Package Includes: 1PC x 104 Keys Keyboard note: No retail package. 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!