NEW Wheel Optical Mouse USB Trackball Track Ball Black

Elegant design
Off-table, for free and comfortable operation.
Avoid eye fatigue and radiation harm.
Can be operated in various ways, avoid the harm on your wrist and muscle
You don't need to sit close to the monitor when use this track mouse.
It can control the cross coordinates sensitively, simply with your thumb.
USB cable connector, it can be used worldwide.

Length of USB cable: 182cm
Package size: 14*11*5.8cm
Weight: 100g