Features: 1. Large thickened font. Easy to read and type, even in dim lighting. To reduce eye strain and headache. 2. Unique backlight design, you can see letters without turning on the lights. 3. Ergonomic design, comfortable and non-slip texture. Your hands will not feel uncomfortable and tired during long-term use. 4. Use 12 multimedia controls to help manage your music, web and video (FN+F1/F2/F3...). 5. The large font design is ideal for older people, people with vision problems, or people who just want to see the keyboard and not feel nervous. Specifications: Material: ABS Number of buttons: 104 Interface: USB interface Cable length: 1.5M Luminous: white Key life: 10 million times or more Size : Approx. 450*160*25mm/17.72*6.3*0.98inch Support system :for windowns98/95/NT/ME/2000/XP/Vista/7.0/8.0 Multimedia button operation: FN button + LED switch key: backlight breathing, fade out FN button + F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12 FN button + PD button: - Reduce the brightness of the LED backlight FN button + PU button: + Increase LED backlight brightness Package List: 1 * Keyboard