Pulse is a small device, measuring 1.69” long, 0.87” tall, and 0.31” deep, and weighs only eight grams. The body resembles that of a second-generation iPod shuffle, although instead of metal, it’s housed in soft-touch plastic. One of our few complaints about the device is that the coating seems chips rather easily; within just a few days of use, we had two sizable chunks missing, with some roughness around the edges. Along…