Anker Wireless Vertical Mouse | $14 | Amazon | Promo code ANKERMIC

Whether your current mouse is giving you chronic wrist pain, or you just want to try something different, this wireless ergonomic vertical mouse from Anker is only $14 today (with promo code ANKERMIC). In addition to the clever design, it even comes with three adjustable DPI settings and forward/back buttons, which are pretty rare at this price level.