Specification

Weight

18-gram body, 32 grams with watch band

Screen type

Reflective color display screen

Screen material

2.5D Corning gorilla 3rd glass + AF coating

Screen size

1.28 inch

Waterproof and dustproof

IP68

Watch band length

11+8.5cm

Watch band width

20mm

Sensor

PPG heart rate sensor

Triaxial acceleration sensor

Geomagnetic sensor

Air pressure sensor7

Battery

190mAh Li-Polymer Battery

Charge time

2.5 hours

GPS

GPS+GLONASS dual mode positioning

Connection

Bluetooth 4.0 BLE

Battery life8

Battery life: Up to 45 days (factory default dial, running once a week for half an hour;

100 notifications per day; screen brightness 10%)

Standby: 4 months (factory default dial, time display, exercise monitoring, sleep monitoring)

GPS continuous track record: 22 hours

Watch body material

Polycarbonate

Accessories

Special charger doc

Compatibility

Android 4.4 and iOS8 and above.

App

Mi Fit

Language

Simplified Chinese / Traditional Chinese / English / Spanish

Notes：

1, 2, 3, 8. The data comes from the Huami Science and Technology sports laboratory. The actual use of the watch may vary slightly due to different environment and personal usage habits.

4. IP68 qualities of waterproof and dustproof have passed tests of the third-party professional organization . Report No.: SHES170500407001. The watch can withstand submersion into fresh water of 1.5 meters for up to 30 minutes, but should not be worn during swimming or bathing.

5. The data is from the Midong Big Data Analysis Team of Huami Science and Technology

6. The wristband material of this product has passed the biocompatibility test, but it does not rule out that individual users may have skin discomfort or allergies after wearing the device due to their special constitution. Remove the device once you notice redness or irritation on the wrist skin. If the symptoms have not been alleviated after 2-3 days after removing the device, please contact a dermatologist. In the daily use, please regularly clean the wristband with water and be careful not to wear it too tightly to keep the wristband position dry.

7. Air pressure sensor reflects changes in altitude.

* Unless otherwise specified, all is our laboratory data, design specification 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 by the entire 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.