Lenovo N3902A Wireless Mouse (Red) for $10.49 shipped after coupon code USP1JL436673 or Lenovo N3901A Wireless Mouse (Coffee) for $10.49 shipped after coupon code USP1JL436666.  Here is a screenshot for your reference.  The wireless mouse features an optical sensor, nano USB dongle, and uses 2 AAA batteries (not included).