Specification:
Item Type: Keyboard Mouse Combo
Material: ABS
Applicable System: Suitable for Win 95, for Win 98, for Win NT, for Win ME, for Win 2000, for Win XP, for Win Vista
Working Voltage: 3V
Frequency: 2.4G
Channel: 16
Engine: Optics
Life: 5 Million Times
Battery: Use Two AAA Batteries for Mouse and Keyboard (Battery Not Included)
Package List:
1 x Mouse
1 x Keyboard
1 x USB Receiver