Jaybird Reign (Update)
Yet another activity tracker comes from Jaybird, a technology company that previously specialized in Bluetooth headphones. The Jaybird Reign is a wristband that tracks activity and sleep, and the company is positioning it as a motivational, behavior-changing device. The Go-Zone feature prompts users to get active when they sit for too long, and the device can distinguish between walking, running, swimming, and biking. The company has not yet announced a price for the device, due out in 2014. It connects with iOS and Android devices or can be used with a web app.