· By showing you how your day is stacking up, Zip encourages you to get up and go…and keep going!· It helps you make those small changes that can add up to something big. (No wonder Fitbit users average 43% more steps each day.)· Powered by Fitbit’s leading-edge accelerometer, Zip accurately captures all-day activity that old-school pedometers can’t handle· Wear it in your pocket, on a belt, or a bra – this tracker , is as discreet or as visible as you want it to be· Zip automatically syncs your information to PCs, Macs, the iPhone 4S, 5, iPod touch and the 3rd generation iPad