Price 175 Used for only two days, like new. Comes with a fabric strap and another rubber one. This bracelet is designed to help you easily access and monitor your activity data during work, exercise, or on the go. Libro supports heart rate tracking, sleep analysis, blood pressure measurement, and step counting, with water resistance up to 10 meters. Basic Specifications Brand: LIBRO Product Type: Smart Tracker Bracelet Color: Black ECG: Available Heart Rate Tracking: Available Sleep Analysis: Available Blood Pressure Measurement: Available Step and Activity Tracking: Available Connectivity: Bluetooth Water Resistance: Up to 10 meters Compatibility: iPhone and Android devices via the dedicated app Movement Type: Digital Watch Size: 38mm Material: Rubber Features: Water Resistant