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, etcFull 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 lowlight environments. Backlit can choose to turn on/off and adjust brightness.Builtin multimedia and quickaccess hotkeys for your convenience. Media player, Volume , Volume +, Mute, Stop, Previous track, for Play/Pause, Next track, Email, Home page, for Key lock, Calculator.4.9 ft wired USB connection, quick and easy installation, no driver.Specifications:Material: Plasticfor Key number: 104Product size: approx.45x16x2.7cm/17.7x6.3x1.06inWeight: 800gColor: blackInterface Type: USB wiredNote:No retail package.Please allow 01cm 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:1PC x 104 Keys Keyboard