Looking for a reliable heart rate monitoring device to help you track your fitness and health goals? Look no further than the Dual Mode Heart Rate Chest Strap from Shenzhen Chileaf Electronics Co., Ltd. As a leading China-based supplier, manufacturer, and factory for wearable fitness technology, we're committed to providing our clients with only the highest quality and most accurate heart rate monitors possible. Our Dual Mode Heart Rate Chest Strap is designed to provide you with all the information you need to optimize your workouts and maintain a healthy heart rate. With dual mode technology, you can connect to both Bluetooth and ANT+ devices, making it easy to monitor your heart rate on a variety of devices including smartphones, smartwatches, and fitness equipment. Plus, with its comfortable and adjustable chest strap design, you won't have to worry about any discomfort or irritation during your workouts. Trust Shenzhen Chileaf Electronics Co., Ltd. to provide you with the best heart rate monitoring technology on the market.