Griffin Sleep Sport Band - Sport wristband for Fitbit, Jawbone and Sony SmartBand (black)

Griffin brand sports armband with reflective material to wear on hand or wrist. It can be used with the popular Fitbit Flex, Jawbone UP MOVE, Misfit Shine, and Sony SmartBand trackers, as well as other fitness devices that do not exceed 28x48x10 mm in size. Included is a special strap that extends the armband so that it can be worn on an arm with a maximum circumference of 40.6 cm.