Advanced fitness tracker gathers data about heart rate zone and max heart rate to maximize training. Monitor also tracks heart variability and stress levels, helping students identify what causes increased stress and how to relieve it. It also records steps and floors climbed, tracks calories burned, and sets goals. Move IQ detects movement and determines the activity being performed. Data syncs to smartphones and tablets via Bluetooth and ANT+ technology. OLED touchscreen. 5-day battery life; recharge via USB charger. Water resistant. Available individually or in packs with a case and charger.