Buy Argos Fitbit wristband flex 2 at £49.99 which is a swim-proof electronic device, its purpose is to water-resistant to 50 meters. Fitbit also uses as an activity tracker. Fitbit Wristband track steps, distance, calories burned, active minutes, hourly activity and stationary time, heart rate, and sleep patterns. Moreover, it is full-fledged with smartwatches that integrated with smartphones. With the help of this Argos Fitbit Wristband Flex 2, its automatically track activities like running, sports and aerobic workouts, you can also see exercise summaries by an app at your smartphone if required. The features of this device are that when you get calls and texts, it vibrates and the discreet LED display flashes color-coded lights. You can track all day and night without needing a charge. Get free delivery in the UK with an easy return. Available in 3 Colours: Black, Lavender & Pink.