2.4G Wireless Keyboard

2.4G Wireless Keyboard 1. plug and play 2. connect type: usb 3. colors:black& silver 4. ergonomics design: it will bring comfort, gentleness and peace to you during keyboard touch 5. working distance: 10 m 6.multi-languge. 7. 2*AAA alkaline batteries 8. ultra-thin keys, quick-witted, loudspeaker mute and easy to operate 9. dimension: 440(L)*150(W)*14(H)mm 10.complies with the standards of FCC & CE 11.10 millions times of key life 12. operating System:windows95/98/2000/NT/XP/Vista system, etc. 2.4G Wireless Keyboard 1) peak Force(normal keys): 55+/-1g 2) effective diatance of the key: 4.0±0.2mm 3)operating Voltage: +5VDC+/-10% 4)operating Current: 60mA max at +5VDC 5) operation temperature: 0-40 Celsius degree 6) operation humidity: 40-90% 7) storage temperature: -10 +50 Celsius degree 8) storage humidY: below 90% (40 Celsius degree)