Fitbit Blaze Special Edition, Gun Metal, Small (5.5 – 6.7 inch) (US Version) (Renewed)

About this item The minimum and maximum circumference range between 140-170 mm Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.3 and later, and Windows 10 devices.Syncing range: Up to 30 feet