As a man you need to be fit for you to retain your sexy look. One of the best ways of tracking your fitness levels is by using a fitness tracker. Here are some of the best trackers in the market: Withings pulse It's 1.5 inches in size and rectangular in shape. It aids in recording steps taken, stairs climbed, time active, calories burned, and sleep patterns. One of the best features of the device is that it has the ability of displaying your heart rate. To do this you only need to press your finger on the device.