Some new fitness tech is sure to get her fired up. FitBit’s latest device, the FitBit Force is one of the top trackers on the market. The gadget measures personal metrics, including steps taken, distance traveled, calories burned, stairs climbed, and active minutes throughout the day. What makes this model so great is that the small screen displays the data right on your wrist. For a more detailed account of your day's activity, sync the device with its corresponding smartphone app. Get one for her and one for you and start up a little friendly competition.