Specifications: 35-key gaming one-handed keyboard has ergonomic design, stylish appearance and comfortable to use. LED RGB color backlight is very beautiful and cool at night. Cool lighting design is stylish in appearance, durable to use. It can be configured into different language versions according to customer needs. The keyboard supports operation on for win-2000, for win-xp, for Win-ME, for Vista, for Win7, for Win8, for Android, for Linux, for Apple and other operating systems. Item Name: Gaming Keyboard Material: ABS Mode: V400 Product Interface: USB 2.0 Number of Keys: 35 Keys Compatible Systems: for Linux, for Apple and other Operating Systems Working Voltage: VDD=3.3V-5.5V Working Current: 100ma Ambient Temperature: -40 Degree Celsius to +85 Degree Celsius Programming Temperature: 0 Degree Celsius to +85 Degree Celsius Product Line Length: 1.4M Use Life: 20 Million Times Features: Portable, Durable, Easy to Use Size: 15.5cm x 22.3cm x 4cm/6.1" x 8.78" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. If the keyboard does not work normally, check that the PS/2 or USB interface of the computer is normal or the keyboard cable is disconnected. Avoid using the mouse and keyboard in environments with strong sunlight, overheating or severe dust. Package Includes: 1 x Gaming Keyboard 1 x User Manual