Specifications:
1. Slim, ergonomically-designed 2.4 GHz wireless mouse, ideal for home or office use
2. Compatible with most laptop and desktop computers via USB receiver (packed in the mouse)
3. Optical tracking technology, works on many different surfaces
4. 16 wireless working channels, automatic frequency jumping
5. Frequency: 2402MHz-2480MHz
6. Wi-Fi Range: 10m app.
7. Colour : Black
8. Powered by two AAA batteries (not included) Package Contents: 1 x Wireless Mouse 1 x USB Receiver
Cautions:
1. Operation distance is closely related to the environment.
2. The 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.