---

⭐TRACK EVERY HEART BEAT: The COOSPO H9Z heart rate monitor with chest strap uses an advanced sensor chip and the latest algorithm for accurate monitoring. With an average heart rate accuracy of ±1bpm, the H9Z HRM is the best way to track your heart rate and calorie consumption data in real time. Heart rate zone and HRV: the H9Z HRM has a 5-colour LED display for the heart rate zone, which changes colour depending on the heart rate zone and helps you move in the right zone for your training goals and achieve the best results. Also supports heart rate variability (HRV) function. BLUETOOTH5.0 & ANT+ DUAL MODE: With ANT+ connectivity and BLUETOOTH5.0 low energy technology, the H9Z heart rate sensor ensures that you can connect to smartphone/GPS bike computer/gym devices/sports watches and synchronise the heart rate data with your favourite fitness devices and sports apps. No need to change battery: built-in rechargeable Li-ion battery, provides up to 50 hours of battery life on a single charge. To extend the life of the battery, please use a DC 5V power supply or computer USB port for charging. More comfortable: 14% lighter and 13% less thin than the previous version and H9Z heart rate chest strap is made of fabric, more comfortable to wear, and does not slip when training, a fully adjustable chest strap can be adjusted from 25 to 36 inches. Provide you a good fitness experience. ✅ONE YEAR LIMITED WARRANTY: COOSPO offers a 12-month quality assurance service. If you have any questions about heart rate monitor chest strap H9Z, please do not hesitate to contact us and we will reply within 24 hours.