TechPowerUp published a review on the ASUS ROG Chakram Core
A quote from the article:
The ASUS ROG Chakram Core is the wired variant of the regular Chakram with triple connectivity. The Core is lighter and more affordable, yet keeps all the important features of its bigger brother—including PixArt's PAW3335 sensor, a built-in joystick, and hot-swappable main button switches.ASUS ROG Chakram Core Review