Logitech G604 Lightspeed up for preorder.

[Conman]

Wireless
15 buttons
240 hr battery life
Hero Sensor
99 bucks
https://www.logitechg.com/en-us/products/gaming-mice/g604-lightspeed-wireless-gaming-mouse.html

Personally six small side buttons is too many for me. I'd rather have 3 or 4 larger, more easily "findable" buttons.