LED Light and Beep Reminding H808S integrated with a LED indicator light and a buzzer so that you can know the working status easily. Note: The blue light indicates that the Bluetooth is connected; the green light indicates that the Bluetooth is disconnected. IP67 Waterproof Comes with IP67 rating, it is splashproof. BLE and ANT+ Connectivity Comes with IP67 rEquipped with Bluetooth and ANT+ technology, H808S can work with smart fitness equipment, GPS watches and bike computers, also work with popular fitness apps such as: CoospoRide, Wahoo Fitness, Adidas run, Peloton, Zwift, and many more.ating, it is splashproof. High Performance of Real-time Heart Rate Tracking With our latest self-developed enhanced heart rate recognition algorithm, H808S can provide precise real-time heart rate data while you are running, cycling, or doing other aerobic exercises.Tested and confirmed by millions of users, the data is correct and the quality is first-rate, which is your best choice Comfortable to Wear The soft textile chest strap seamlessly adapts to your body shape, bringing full freedom of movement to your training. With also lighter and thinner design, H808S features more comfortable wearing experience.