Heart Rate Monitor Armband HRM CHILEAF Heart Rate Sensor HR Sensor IP67 ANT+ Bluetooth 60H Long Battery Life Compatiable for Polar Beat,Wahoo Fitness,SportsTracker,Zwift,Nike+Run Club,X-Fitness, Etc

【REAL-TIME HEART RATE ZONE LED INDICATOR】CHILEAF heart rate monitor armband features a PPG optical sensor and color-changing LED indicator to display your heart rate zone in real time, helping you monitor workout intensity and optimize training performance without constantly checking your phone 【BLUETOOTH 5.0 & ANT+ DUAL MODE CONNECTION】Support Bluetooth and ANT+ dual transmission modes to connect with smartphones, sports watches, cycling computers and fitness devices simultaneously. Compatible with Polar Beat, Wahoo Fitness, Zwift, X-Fitness and more fitness apps 【ACCURATE HEART RATE MONITORING FOR SPORTS】Equipped with an advanced optical heart rate sensor and accelerometer, this HRM armband provides accurate real-time heart rate tracking for running, cycling, fitness training, hiking, yoga and other workouts 【60H LONG BATTERY LIFE & MAGNETIC CHARGING】Built-in rechargeable battery provides up to 60 hours of continuous heart rate monitoring. The convenient magnetic charging design makes charging quick and easy, keeping your training sessions uninterrupted 【COMFORTABLE FIT & IP67 WATERPROOF DESIGN】Designed with a soft, breathable and adjustable strap for a secure fit on the upper arm, forearm or near the elbow. Lightweight 13g design and IP67 protection make it suitable for indoor and outdoor sports