Use Newegg coupon code EMCXWVL49
Newegg has this Rosewill RM-7600 2.4GHz Wireless Optical Mouse on sale for $14.99, but you can get it for $9.99 when you use the coupon code. Features up to a 10 meter range, multi-channel design, 800 / 1600 DPI switchable resolutions, and updated optical technology. The next best price we found is $18 at Amazon
. Shipping is free.