You Define Who You Are Online dial replacement, Heart rate monitoring, 12 sport modes, 20-day battery life. Haylou RT has a curve design perfectly fits the structure of the wrist. It's very comfortable and stylish to wear the new Haylou RT LS05S with a sweat and dust-resistant breathable silicone strap. 1.28-inch HD color screen displays clear details from every angle. Change the dial style according to the mood and wear a fashionable, sporty, cute, formal style. Keep Healthy and Refreshed The precise motion sensor accurately captures every exercise status, daily steps, exercise distance, calorie consumption, and other goals, making you feel more confident and healthier! More Freely Exercising Haylou RT LS05S is IP68 dustproof and waterproof. Efficiently deal with sweat or showers and meet daily needs, making water splashes the best playmate for sports and life.