Fitbit Zip Wear it in your pocket, on a belt, or a bra it is as discreet or as visible as you want it to be. The magenta Fitbit Zip silicone clip is perfect for everyday goers whether it's the school run or walking the dog the Zip will track every step. Product Features Tracks steps, distance & calories burned Syncs automatically to yourcomputer or select Bluetooth ready devices to sync your activityßßßdata onto your pc, mac or mobile IOS & android app available so youcan upload your progress set goals, share & competeßßßwith friends throughout the day. Splash, sweat & rain proof Tap screen to change display, size ONE SIZE