Meritline offers the refurbished
Logitech MX Master Wireless Mouse, model no. 910-004337, for $79.99. Coupon code "MLCA28XA" cuts the price to
$64.99. With
free shipping, that's $9 under the lowest total price we could find for a new unit. It features a speed-adaptive scroll wheel and thumb wheel, and customizable buttons.
No warranty information is provided.