How do I change the DPI?

ms55gt
To change DPI, simply press the DPI button (the one next to the middle mouse wheel).

I just bought this wireless mouse and I can't find the dongle of the mouse, where is it?

ms55gt
The dongle of our wireless mouse is usually inserted inside of the battery slot of the mouse.

If two wireless mice of same type working together closely but on different computer, will they interfere with each other?

ms55gt
Each adapter of our wireless mouse is uniquely paired with one mouse only, so two wireless mice will not interfere with each other. We experimented...

I lost my USB dongle, can I get a replacement dongle? Or can I buy some backup dongle?

ms55gt
As each dongle is uniquely paired with our wireless mouse, if a dongle is misplaced, then the mouse will not work, so please keep the dongle safe. ...

How can I program this product?

241u
This product is not programmable, however, there might be third party software that can program Plug & Play product like this one, so please se...

Does this product require driver / Where can I find the driver of this product?

241u
This product is Plug & Play, it means once you plug in the product, it will be installed on your computer automatically, so you don't need a d...