TechPowerUp reviewed the Cooler Master MM311
A quote from the article:
The ambidextrous MM311 is a new wireless budget option from Cooler Master. Equipped with PixArt's PMW3325 sensor and an AA battery, the MM311 weighs 75 g and is said to last up to 115 hours. Most importantly, the MM311 retails for just $39.99.Cooler Master MM311 Review
