EEFINITE Fitness Tracker with Alexa Built-in, 5ATM Waterproof Activity Tacker with Blood Oxygen Heart Rate Monitor, Sleep & Swim Tracking, Smart Fitness Band Step Calorie Counter for Women Men

* ALL-DAY HEART RATE AND ACTIVITY TRACKING：Wear EEFINITE Hyper X all day and night to record and reveal your resting heart rate, track heart rate trends and night’s sleep continuously, all-day activity like steps, distance and calories burned to follow your progress. * ALEXA BUILT-IN：Smart Fitness Band has a dual microphone array to enhance Alexa’s ability to hear you. Control your smart devices, set alarms, check the weather, or do just about anything else you do every day with Alexa. * BLOOD OXYGEN SATURATION MONITOR：Measure your blood oxygen with an all-new sensor, which is a key indicator of your overall wellness. It can help you understand how well your body is absorbing oxygen, and the amount of oxygen delivered to your body. * BRILLIANT DISPLAY：Express yourself with a 1.05" fully customizable touch screen to make it your own, which also provide crisp colors and responsive touch commands. Plus, built with a lightweight, comfortable watch band. * HIGH PERFORMANCE：EEFINITE Hyper X is 5ATM rated, meanin...