Specification:

1. Brand: E-Blue
2. Model: M145 
3. Color: Black / White
4. Connection: Wired
5. Interface: USB
6. Buttons: 4 
7. Tracking method: Optical
8. Resolution: 800 / 1200 / 1600 / 2400dpi
9. Cable length: 1.4m
10. Dimension: 121X63X37mm
11. Voltage: 5V±5%
12. Weight: 88g ±5g

Features:

1. Plug and Play.
2. With smart backlit displaying, side is blue and tail is in red, it seems to be smiling.
3. Surface is in Piano bakes lacquer technology, elegant and smooth, and with comfortable hand feeling, anti-fatigue for long time use.
4. Builit in optical solution, and there are 800/1200/1600/2400 4 dpi modes for option.

Package Included:

1 X E-Blue M145 2400DPI Adjustable 4 Buttons USB Wired Optical Mouse For PC Computer Laptops