Meritline offers the Microsoft Arc Wireless Mouse in Red, model no. ZJA-00002, for $27.99. Coupon code "MLCKW21VNL1" cuts it to $21.99. With free shipping, that's $4 under our fall mention of this mouse in black and the lowest total price we could find for it now in any color by $2. This 4-button mouse features a folding design, snap-in USB micro transceiver, and more. Coupon expires after 100 uses.