ROCKBROS ANT+ Dual-Mode Heart Rate Monitor Real-Time Tracking Waterproof Design

Compatible with ANT+ & Bluetooth – Connect seamlessly to bike computers or fitness apps with stable data transmission. 16-Hour Long Battery Life – Built-in high-polymer lithium battery with easy magnetic charging. Real-Time Heart Rate Monitoring – Dynamic algorithm ensures accurate exercise heart rate data with heart rate alerts. Lightweight & Waterproof Design – Weighs only 12g, with IP67 waterproof and sweatproof features, ideal for all sports. LED Heart Rate Zone Display – Dynamic LED color indicators help you manage workout intensity based on heart rate zones.