Lenovo 300 Wireless Compact Mouse, 1000 DPI Optical sensor, 2.4GHz Wireless Nano USB, 10m range, 3-button(left,right,scroll) upto 3M left/right clicks & 1yr battery, Ambidextrous, Ergonomic GX30K79401 - Khosla Electronics
Lenovo 300 Wired Plug & Play USB Mouse, High Resolution 1600 DPI Optical Sensor, 3-Button Design with clickable Scroll Wheel, Ambidextrous, Ergonomic