Magene Cycling Magene Mover Heart Rate Sensor Compatible Bluetooth ANT Sensor Cadence Sensor Heart Rate Monitor Bicycle Computer Description: This adjustable heartrate chest strap is suitable for many occasions, such as running, jogging, fitness, exercise, and so on. The heartrate chest belt is designed to track and record data like heartrate, calories and more. The heartrate band is convenient to use, just mount it on your chest. The heartrate strap is designed with adjustable strap which allows you to adjust it from 25.2 to 33.8 inch. The heartrate belt features IP67 waterproof, which is not easy to be damaged by your sweat and rain. Specifications: Material: Leather electronic component. Color: Black. Size: 5.2x3.4x1.4 inch. Package Included: Package included: 1x Heartrate belt. Notes: Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement.