EASE OF CONNECTIVITY – Features a built-in USB 2.0 passthrough port that lets you conveniently connect your gaming mice, headphones or other compatible devices for a plug-and-play gaming experience SMOOTH & PRECISE – The mouse pad’s hard surface with a micro-textured, low-friction finish is optimized for ultrafast tracking & pinpoint accuracy.

https://www.amazon.com/ASUS-ROG-Balteus-Micro-Textured-Pass-Through/dp/B07M65DNKH