ROCKBROS HRM828 Heart Rate Monitor Chest Strap ANT+ Bluetooth

About this item

• MAGNETIC CHARGING & 50H LONG BATTERY LIFE: Features detachable magnetic charging with a dedicated charging base, eliminating plug-in wear. Built-in high-polymer lithium battery delivers up to 50 hours of continuous use on a full charge, perfect for long rides and multi-day training.
• APP-CONTROLLED HEART RATE ALERT: Customize your alert heart rate threshold via the HEARTOOL APP. When your heart rate exceeds the set value, a buzzer alert triggers to remind you to reduce exercise intensity and stay safe during workouts.
• DUAL PROTOCOL BLUETOOTH & ANT+ CONNECTIVITY: Supports both Bluetooth 4.0 and ANT+ wireless protocols, enabling real-time heart rate data transmission to fitness apps, bike computers, and smart watches. Compatible with mainstream sports platforms for accurate workout tracking.
• POWER-FREE AUTO ON/OFF DESIGN: Automatically powers on when correctly worn on the chest strap, and enters sleep mode when detached. No manual operation required, saving power and making it ready to use instantly.
• IP67 WATERPROOF & ULTRA-LIGHT COMFORT: IP67 waterproof rating resists sweat, rain, and splashes, stable for triathlons, trail running, and intense workouts. 12g ultra-light body with flexible electrodes fits snugly against skin, no sliding during exercise, and detachable design for easy cleaning.