Connectland 2.4 GHz Wireless Keyboard (Multimedia Hot Keys) and Optical Mouse Combo, Black Color

Combo Keyboard and mouse powered by 2 x 2 AAA batteries (included). One USB receiver for keyboard and mouse. Low-voltage alarming function. Keyboard 114 keys with 11 multimedia / Internet keys. Adjustable optical mouse sensor from 800 dpi to 1600 dpi. Mouse with ON/OFF switch. Working distance approximately 10M. Working frequency: 2.40G – 2.48G. 2-ways communication technology. No driver needed, simply plug & play. System Requirement: Support Windows ME / 2000 / XP / Vista Combo.