1)wireless combo
2)8 hot keys
3)PS/2&USB port
4)keyswitch with 10million lifetimes
5)effective in 10-12m

Wireless comboMouse connection: 2.4GHz wireless two-way transmission technology, USB interface. keyboard with ultrathin design, with popular and comfortable handleGood shape, color optional and fit for giftWaterproof and quiet designwith PS/2 and USB port availableBattery: 2 AAA for keyboard and 2 AAA for mouseTracing systems: opticalSwitch button life: >3 million timesOptical Resolution: 800DPIEffective working distance: 10MMultiple language version available for keyboard.Ergonomic design, Nano receiver, automatic access to energy-saving designUltra-thin Multimedia Wireless SetCompatible with Windows 95/98/NT/ME/2000/XP/VISTA/7Product Size: Keyboard - 455*160*27 mm      Mouse - 108*61*38 mm

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