Ends 2/5. Rakuten.com with Lenovo has the Lenovo Legion M500 RGB Gaming Mouse for $35 - extra $4 off with code LEN4L [Exp 2/5] = $31 with free shipping. Get 11% back or 330 points Rakuten Super Points ($3.30 store credit). Points expire within 12 months unless you earn more points during that period.

Features up to 16,000 DPI, 3 RGB color LED zones and removable 10g weight cartridge.