Buy Argos fitbit wristband flex 2 at £49.99 which is swim proof electronic device, it purpose is to water resistant to 50 meters. Fitbit also use as a activity tracker. Fitbit Wristband track steps, distance, calories burned, active minutes, hourly activity and stationary time, heart rate, and sleep patterns. Moreover, its full-fledged with smartwatches that interegrate 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 app at your samrtphone if requried. The features of this device is that when you get calls and texts, it vibrates and the discreet LED display flashes colour-coded lights. You can track all day and night without needing a charge. Get free delivery in the UK with easy return. Avaliable in 3 Colours : Black , Lavendor & Pink.