Works fine, just selling the computer it's part of. Comfortable mouse, not a ton of hours on it so the switches should have lots of life left in them. The QG heartrate sensor thing is a curious gimmick.
https://mionix.jp/products/naos-qg
Specs:
-12,000 native DPI optical sensor (PMW-3360)
-Maximum speed of 7.6m/sec (250 IPS)
-128 kB built in memory
-7 programmable buttons with Omron switches
-Customizable LEDs in two zones
-Ergonomic design and Soft touch rubber coated surface
-Monitoring of Heart Rate and Activity and measures stress level in real time visible in an in-game visualization overlay
See my other ads for the rest of the parts.