Mad Shrimps posted a review on the Razer Viper Mini Ultra-Light Gaming Mouse
A quote from the article:
The Viper Mini can be thought of as a mainstream product from Razer, given the sensor choice but also the price point. After firing a few games of different categories, we did not feel disappointed with its tracking while operating on a 1440P display; the sensor performance is great and most casual...Razer Viper Mini Ultra-Light Gaming Mouse Review