48% OFF VicTsing Wireless Gaming Mouse.
This looks like a great choice if you want to save some cash. It's a 7-Button Design with 4800 DPI High Precision Optical Sensor. You can also adjust the DPI to these settings 4800/2000/1600/1200/800. To round things off there are two programmable side buttons and comfortable grips.
Save $$s on Razer products … inc their Razer Blade Stealth 12.5" QHD Ultrabook.