WHOOP MG Medical Bracelet. An advanced and lightweight fitness and health tracking bracelet. Features of this watch include: Heart rate monitor and ECG, daily blood pressure indicators, recovery and strain measurement, detailed sleep tracking, comprehensive biometric sensors, monitoring of heart rate, blood oxygen, body temperature, and respiratory rate. The battery lasts 14 days. Wireless charger. Waterproof. Resistant to water and dust. The watch is new, opened but unfortunately not used. I didn't understand it, I think because I activated the subscription on an email that was deleted. The subscription was deleted, and what is available for sale is (the charger and the bracelet are new, unused). Watch Size: 38mm Material: Rubber Movement Type: Digital Features: Water Resistant, Alarm, Chronograph, Heart Rate Monitor, Sleep Monitor, Date