Feature:
Fitted with Sleeping Technology
Tthe mouse will shut off automatically and enter sleeping mode for saving power when it’s not used for a long time. To wake it up, press the right or left button.
Ergonomically-designed 2.4 GHz wireless optical mouse, ideal for home or office use
Optical tracking technology, works on many different surfaces
16 wireless working channels, automatic frequency jumping
Frequency: 2402MHz-2480MHz
Wi-Fi Range: 5-8m app.
Rated Operational Current: 8-15mA 1.5V/3V
USB Receiver Size: 18 × 14 × 5mm app.
Powered by two AAA batteries (not included)
Compatible with most laptop and desktop computers via USB receiver (packed in the mouse), such as Windows 2000/XP/Vista/Linux/Win 7/MAC
Cautions:
Operation distance is closely related to the environment.

Package including
1 x Wireless Mouse
1 x USB Receiver