Fry's Electronics offers the TT Esports Theron Infrared Optical Gaming Mouse, model no. MO-TRN006DTM, for $39.99. This $20 mail-in rebate drops it to $19.99. With free shipping, that's tied with our mention from two weeks ago and the lowest total price we could find by $25. It features adjustable weight, 40 macro key combinations, eight buttons, and USB. Deal ends July 17.