2.4G USB Red Optical Wireless Mouse (Black) HT

Specification:Wi-Fi Range: 5-8m app.Frequency: 2402MHz-2480MHzFitted with Sleeping TechnologyUSB Receiver Size: 18 x 14 x 5mm app.Windows 2000/XP/Vista/Linux/Win 7/MACPowered by two AAA batteries (not included)Rated Operational Current: 8-15mA 1.5V/3VFeature:1.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.2.Ergonomically-designed 2.4 GHz wireless optical mouse, ideal for home or office use3.Optical tracking technology, works on many different surfaces4.16 wireless working channels, automatic frequency jumping5.Compatible with most laptop and desktop computers via USB receiver (packed in the mouse), such as Cautions:
Operation distance is closely related to the environment.
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