If you are looking for a nice piece of gadget that fulfills its basic duty of fitness, counting steps and heart rate reporting, then this IP68 waterproof Letsfit fitness tracker is the device you need. This smart tracker can withstand a substantial amount of downpour or even when taking baths and monitor every detail round the clock. It tracks heart rate, steps, calories burned, distance, active minute, sleep quality at night. Suitable for kids, men, women, everything this device tracks, it does it well. It comes with a built in USB plug for charging on a pc or wire outlets.