Transtek provides high-quality and multi-functional wearable health trackers, including but not limited to smart band/fitness trackers with heart rate monitor, smart fitness trackers for seniors without smartphone, bluetooth heart rate watches, waterproof smart fitness trackers. With various functions, Transtek Electronics watches and smart fitness trackers can meet your different needs and bring you a healthy life. Accurate wearable smart sports watches and fitness trackers help to record data while doing sports, such as heart rate, time spent on physical activity, calories burned, etc. which help you to better analyze your training quality and make adjustments accordingly. Besides, they also support continuous heart rate monitoring, like heart rate monitoring during sleep which can help you to evaluate your sleep quality.