Microsoft arc keyboard black and arc mouse black bundle j5d 00007zja 00006 keyboards keyboards meet the arc keyboard with beautiful curves and a compact design itrsquos at home wherever you are the revolutionary design of the arc mouse combines the comfort of a desktop mouse and the portability of a notebook mouse arc mouse folds to 60 of its fully expanded size when yoursquore on the go battery life indicator glowing light tells you when battery is low press function