Buffalo introduced their two new portable mice; the BLMU-R/S and BOMU-W05/S. The BLMU-R/S measures 60mm x 91mm x 35mm and weight 69grams and has a retractable USB cable. While the BOMU-W05/S is a wireless mouse that requires 2 AAA batteries. It measures 52mm x 91mm x 33mm and weighs 57grams. No word yet on pricing or availability. More images after the leap!