Connection - Wireless(USB Dongle)
Keyboard Button Quantity: 110 key
Mouse Button Quantity: 3 key
System Compatible: Windows XP/Win7/8/10
Battery: AA*2,AAA*1(not included)
Item Size: 44.3*13.8*2.9cm/(Keyboard)
10.3*6.9*3.5cm(Mouse)Item Weight: 460g/19oz(Keyboard)
75g/3oz(Mouse)