Xiaomi Amazfit Stratos Smart Sport Watch (Global Version)

5ATM Water Resistant
50 meters water resistant ,equivalent to water pressure of 50 meters underwater,not only to wear swimming,you can also record the data when swimming,and support open water and swimming pool two modes.

Firstbeat Health Data Tracker
Maximum oxygen uptake(VO2max), Exercise load(TD), Exercise effect(TE), Recovery Time

Swimming Mode
With 50 meters swimming water level, and has a swimming pool and open water swimming two modes. Swimming pool can automatically remember trip, provide swolf efficiency index, and to identify breaststroke, freestyle, backstroke, butterfly stroke four kinds of swimming; open water swimming is to support the trajectory, swimming distance.

2.5D capacitive touch screen
With HD resolution 320 x 300 pixel, high quality

Reflective display technology
The dial is always bright without black screen. Uses reflective display technology, the dial brightness will auto adjust according to the environment, gives you better and more clear eye experience.

Sports Tracking
Running, Walking, Outdoor Riding, Indoor Riding, Indoor Running, Swimming Pool, Elliptical Trainer, Mountaineering, Trail Running, Swimming in the Open Water.

Phone-Free Music
Connect wirelessly to Bluetooth earbuds and enjoy music and media with the internal storage for unencumbered phone-free running.

GPS + GLONASS
Track your route and distance with built-in GPS.

Notifications
Receive notifications for incoming calls, messages, emails and other apps.

App
Amazfit 2.0 or Mi Fit,update all the data to your smartphone.