TechPowerUp posted a review on the VAXEE XE-S Wireless
VAXEE XE-S Wireless Review
Compared to the regular Vaxee XE Wireless, the ambidextrous XE-S not only is smaller, but also much lighter at 60 g. Equipped with PixArt's latest PAW3950 sensor, up to 110 hours of battery life are claimed, and 4000 Hz wireless polling is supported as well.
