The Fitbit Charge heart rate monitor & activity tracker is a highly-accurate device made for all-day activity tracking, providing wrist-based heart rate & sleep monitoring. This clever workout companion enables you to track distance, steps, calories burned, floors climbed & active minutes & has a bright OLED display to show your daily stats, call notifications & time of day. The tracker allows for checking your progress with mobile & online tools, as well as for setting goals, logging food & workouts & for competing with friends in Fitbit challenges. This sleek & lightweight device offers Bluetooth Low Energy connectivity & comes complete with a charging cable, a wireless sync dongle & a free Fitbit account.