https://amzn.to/4xCwDH8
Uineer Wireless Ergonomic Vertical Mouse w/ Tri-Mode Connectivity & 4 DPI Levels (Black, A06) on sale for $26.99 - $13.50 (50%) off when you apply promo code A06500811Q on the checkout page = $13.49. Shipping is free w/ Prime or on $35+ orders.