2 x Logitech M310 Wireless Mouse $22 at Logitech

Logitech has the Logitech M310 Wireless Mouse (Soft Violet, Dark Aces, or Red Tendrills) for $15. Add two to cart to reach $30 - $8 off with coupon code logi_m310_11911 [Exp 11/12] = $22 with free shipping. Features nano USB receiver, contoured shape with soft rubber grips, 2.4 GHz wireless connection, and about a year of battery life.