Specifications Backlight: Rainbow Colors LED Layout: Arabic & English Key Count: 104 + 4 Media Keys OS Compatibility: Windows 98 / Me / 2000 / XP / Vista / 7 / 10 / 11, Linux Product Size: 441.72 × 146.97 × 31.5 mm Weight: 535 g Color: Black Interface: USB Material: ABS Cable Length: 2.8 × 1.5 m Working Voltage: 5 V ± 0.25 V DC Working Current: < 50 mA Key Life: 5 Million Presses Connection: Wired