TOZO S2 44mm Smart Watch Alexa Built-in Fitness Tracker with Heart Rate and Blood Oxygen Monitor,Sleep Monitor 5ATM Waterproof HD Touchscreen for Men Women Compatible with iPhone&Android Black

[Alexa Built-in] : Talk to Amazon Alexa on your TOZO S2 smart watch. Ask questions, play music, check the weather,set alarms and timers, and more just by speaking to your watch. Also, you can speak to your smart watch via the built-in microphone upon the connection to your phone via Bluetooth.
[1.69 inches Large HD Color Touch Screen] 1.69 large color screen and full screen touch and hand sliding. it ensures smooth operations and 240*280 resolution for you. Our screen is better at color saturation and reproduction. Personalize your smart watch for men women with multiple customized watch faces provided, make your own stylish smart watch.
[Heart Rate, Sleep, Blood & Activity Tracking] With our smartwatch, it accurately monitors your heart rate in real time. Also, it provides a detailed analysis of your sleep quality by continuously recording your sleep patterns. During exercise, TOZO smartwatch automatically records daily steps, Distance Counter，calories burned, active minutes, measure your blood oxygen saturation and understand your physical state