sturdy metal frame

1.43" AMOLED Touch Screen

SPO2 Blood Oxygen Saturation All Day: Stay connected to your body, and measure your body's oxygen saturation to keep your respiratory system healthy.

Track activities with 117 sports modes: rowing machine, yoga, outdoor running, outdoor cycling, pool swimming, indoor cycling, skipping rope, brisk walking, brisk walking, freestyle, basketball, boxing, workout High intensity, snowboarding, zumba and more

Battery life: up to 12 days in normal mode, up to 24 days in battery saver mode

50m water resistance: 50m water resistance

Sleep tracking and score: 24-hour sleep monitoring to track your sleep cycle through light and deep sleep. Record the quality of the nap. Provides personalized sleep score and science tips to help you improve your sleep

Stress Monitor: Track and monitor your stress and provide suggestions for stress relief and recovery

Other Features: Play Music, Find My Phone, Mute Phone, Do Not Disturb Mode, Unlock Phone, Incoming Call Notification, Countdown Timer, Calendar Reminder, Event Reminder, Message Alerts, Idle Alerts, Weather Forecast

Compatibility: Bluetooth 5.0, compatible with both Apple IOS 10.0 and Android 5.0 or above; Components Included: Watch, Charging Cable