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When style meets performance

Amazfit Stratos

Ceramic Bezel | 5 ATM Water-Resistant | Triathlon | VO2max
Up to 5 Days' Battery Life | Onboard Music

Sports & Business

Brand-new, with a simple but graceful design. It's the style you want for sports or business. Stratos combines multiple materials and techniques, including 2.5D Corning Gorilla Glass, delicate minute markers, a reflective color screen that can be seen clearly even under bright sunlight, and a hand-polished ceramic bezel. Ceramic is durable enough to withstand all your daily challenges and will deliver a beautifully timeless look.

Three 316L stainless-steel physical buttons plus a responsive touch screen make it easy to control all the watch functions while the case uses a 3-D laser carbon-fiber texture throughout.

50m Water-Resistant, Safe for both Open Water & Indoor Swimming

This smartwatch comes with a 5 ATM1 water resistance rating (equal to a water pressure of approximately 50 meters or 164
feet). You can wear it while swimming in the pool.

5 ATM waterproof

Multiple Sports Modes

This premium watch features 16 different sports modes in addition to tracking for daily activities: Run, Run Indoors, Walk, Trail Run, Cycling, Indoor Cycling, Elliptical Trainer, Climbing, Pool Swimming, Open-Water Swimming, Triathlon, Skiing, Multisport, Tennis, Soccer and Jump Rope.

Run
Walk
Cycling
Pool Swimming
Soccer
Elliptical Trainer
Climb
Trail Run
Triathlon
Tennis

VO2max Fitness Analysis

Thanks to Firstbeat’s heart-rate analytics engine, you can access your cardiorespiratory fitness level in terms of VO2max. VO2max describes the ability of the body to utilize oxygen to transform nutrients into energy. With VO2max functionality you can access vital physiological information, tailored coaching guidance, gain workout motivation and benefit from the same scientifically personalized training insights used by professional athletes. Designed for athletes who want to enhance their performance and track physiological data, we offer three important training tools:

· Training Effect highlights the impact that specific activities have on the development of aerobic performance capacity.
· Recovery Time recommends downtime between each activity to maximize the benefit of each session.
· Training Load tracks the combined physiological impacts of all activities over the past seven days.

Up to 5 Days Battery Life

Amazfit Stratos comes with a staggering five-day² battery life on a single charge, saving the trouble of frequent charging. In a GPS-enabled sports mode you'll get 35 hours³ of continuous battery life, which is enough for a 100K trail run.

Onboard Music

You can listen to your favorite music as you run without having to carry your phone. Simply load your favorite music
onto the watch, connect it to your Bluetooth headphones or earbuds, and you're good to go.

Bluetooth Music
Call Notifications
Message Notifications
Silent Alarm

Specification

Screen

1.34inch reflective low-power consumption color display screen
Resolution 320 X 300
Always-on transflective color LCD touch screen
Reinforced Corning Gorilla glass
Processor

1.2GHz Dual-Core Processor
RAM

512M RAM
4GB internal flash memory, approx. 2GB of free space available for music
GPS

Low-power consumption GPS + GLONASS two-satellite positioning
Wireless connection

Wi-Fi IEEE 802.11b/g 2.4GHz；Bluetooth 4.0
Sensor

Optical heart rate sensor (PPG)
Tri-Axis Accelerometer
Gyroscope
Geomagnetic sensor
Air pressure sensor⁴
Ambient light sensor
Buttons

3 stainless steel physical buttons
Battery

290mAh Li-Polymer Battery
Charging

USB charging dock

Battery life

Up to 5 days with regular use (eg. run for 30 minutes and 200 notifications per day)
35 hours with continuous GPS and heart rate monitoring⁵
Vibration motor

Linear Resonant Actuator (LRA)
Body material

Ceramic bezel, stainless steel buttons, glass fiber reinforced polycarbonate casing, Corning Gorilla glass
Watch band width

22mm standard watch band width
Standard watch band

Silicone sports watch band (exchangeable with quick release mechanism) ⁶
Waterproof rating

5 ATM water resistance rating (164 feet / 50 meters)
GB/T 30106-2013 / ISO 22810:2010 standard
App

Zepp App (formerly known as the Amazfit App)
Language

Simplified Chinese / English
Compatibility

Android 4.4 or iOS 9 and above

Notes:
1. According to the standard of GB/T 30106-2013 / ISO 22810:2010, the waterproof level reaches 50 meters and it has passed the test of the National Quality Supervision and Inspection Center for Watches and Watches. Report number: QT1711018
2. Test conditions for the up to 5 days of battery life are: using the factory default dial, Bluetooth connection, running 30 minutes a day, 200 notifications for messages.
3. The test conditions for 35-hour battery life are: using the factory default dial, turning off the Bluetooth connection and communication, and turning on the GPS mode and the hourly reminder function during running.
4. The air pressure sensor reflects changes in altitude.
5. In daily use, the battery life is related to various factors such as custom settings, Bluetooth connection, sports tracking, number of notifications, functions used, the environment, and might different from the laboratory data.
6. The wristband material of this product has passed the biocompatibility test, but it does not rule out that individual users may cause skin discomfort or allergies after wearing the device due to their special constitution. Remove the device if you notice redness or irritation on the wrist. If the symptoms have not been alleviated after 2-3 days after removing the device, please contact a dermatologist.
* To prevent corrosion on the charging side of the watch, please clean the equipment with water (especially after water activities) and wipe it to keep it dry and clean.
* Unless otherwise specified, all our laboratory data, design specifications and data provided by suppliers. The actual situation of the whole website data will vary slightly due to the difference of the test software version, the specific test environment, and the specific version. Please refer to the actual situation. The structural pictures displayed our website are functional schematic diagrams, and are not the actual structures. Please refer to the actual product. Owing to real-time changes in product batch and production supply factors, in order to provide accurate product information, specification and product characteristics as much as possible, our company may possibly adjust and revise the text description and picture effects on the website in real time to match the information of the actual product performance, specification, indexes, components, etc. In the event that there are indeed necessary modifications and adjustments of the above, no special notice will be given.