A unique shape... Anyone using Lenovo Go Wireless Vertical Mouse?

Hello everyone! 

Today I wanted to show you the mouse I am using. 
It's calld Lenovo Go Wireless Vertical Mouse - Thunder Black | Lenovo AU 
It's so tireless and I strongly recommend it 100
The shape is unique, Here are the photos I took.

Which mouse are you using?
Is your mouse wireless? bluetooth connection?
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