Elegant design and sturdy construction for comfortable and quiet operation 6 button mouse with scroll wheel and USB connection 5 V DC, resolutions: 800~1200~1600~2400 DPI red sensor light, reporting rate 3000x/sec.., Sensor: 28+" /second Mouse = 30 mA (some keys), keys: 300,000 cycle, scroll wheel: 100,000 cycles, 85 ±10 g QWERTY keyboard with German keyboard layout (105 keys) and USB connector (1.5 m) Keyboard 25 mA (in use), 8,000.000 cycle, 436 ±10 g Windows 2000/XP/ME/VISTA/7/8/10 compatible Key features Keyboard Recommended use Home Device interface USB Keyboard layout QWERTY Keyboard Form factor Standard Numeric keypad Yes Windows keys Yes Design Backlight No Keyboard style Straight Product color Black LED indicators Yes Power source USB Mouse Mouse included Yes Form factor Right Motion capture technology Laser Motion resolution 2400 DPI Number of keys 6 Key type Pressed keys Scroll wheel Yes Scroll type Wheel Scroll directions Vertical