fitbit Fitbit Flex Wireless Activity Sleep Wristband (New Sealed Box)

The Fitbit Flex Wireless Activity Sleep Wristband is a sleek black plastic device designed for both indoor and outdoor activities. It features an accelerometer sensor for tracking your movements and has a battery life of up to 5 days. With a display resolution of 161 x 160, this activity tracker is compatible with both iOS and Android operating systems. Perfect for unisex adults who enjoy running and jogging, the Fitbit Flex is a reliable tool to help you monitor your fitness progress in English language.