LuguLake Direct via Amazon offers the LuguLake Breathing-Air Ergonomic Wired Optical Mouse in Black, model no. LM-02, for $16.99. Coupon code "UNHOI28O" cuts the price to $9.50. With free shipping, that's $40 off list and the lowest total price we could find. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $6.18.) It features up to 1600 dpi, six LED color options, and braided-fiber cord.