Easy to use - left or right hand, or cradled between both. Ideal for both laptops and desktops
Features:
- Plug and Play, easy to install
- Wireless, With trackball, cool
- Press then apper laser pointer for presentation
- Off table and without limitation of operational space
- Scrolling function can be controlled simply by your thumb
- USB 2.0 interface, plug and play, no software required.
- Special design, can avoid the harm on your wrist and muscle, greatly reduces discomfort for Arthritis and CTS suffers
- Place end of index or middle finger on trigger button & thumb on roller ball
- Suitable for Tablet PC & Laptop & Desktop computer
- USB PORT, USB receiver is included
- FOUR GROUP DPI: 400,600,800,100
- Battery require: 1 x AAA