Material: Plastic
2.4GHz wireless transmission technology
Effective range: 10 meters
Plug and Play
Supports system: Windows XP / Vista / 7

Mini Wireless Keyboard:
Spill-resistant design
Standard 104 keys
Operatig voltage / current: 3V / 1.5mA
Battery: 2 x AAA 1.5V batteries (not included)
Keyboard Dimensions: 43.6 x 12 x 2.5cm， Weight: 488g

Wireless Optical Mouse:
keys: 4
Operatig voltage / current: 3V / 1.5mA
Battery: 2 x AAA 1.5V batteries (not included)
Mouse Dimensions: 11 x 6 x 2cm， Weight: 55g