Order by 4 pm Monday to Friday for Next Day Delivery Fulfilled by WatchShop - Calypso SmartTime is the smart band that follows the steps of the wearer, whenever and wherever. Heart rate. Heart rate variability (HRV). Blood pressure. Respiratory guidance. Step counter. Sleep monitoring. Alarm reminder. Various alternative watch faces are available from App. Ultraviolet light. Multiple sports modes: walking, running, cycling, hiking, football, and basketball. The smart band is wearable for swimming to a depth of 10m and comes with a Purple Strap and a free extra White strap allowing you to change the look of your watch to match your outfit.