Xiaomi Redmi Watch 4 Smart Watch - Obsidian Black

1.97" AMOLED Display Major display upgrade

- LTPS 5Hz
- 60Hz high refresh rate
- Up to 600 nits brightness

Experience the biggest screen ever on the Redmi Watch, boasting a 26% increase in display area*. Paired with a 60Hz high refresh rate, it delivers incredibly smooth and silky visuals.

Aluminum alloy frame, Two classic colors

Redmi Watch 4 adopts a sturdy and reliable aluminum alloy frame* for the first time for a more elevated design feel. Make a fashion statement with two available color options.

Stainless steel rotating crown, Innovative interactions

The exquisite stainless-steel rotating crown adds high-end finesse to even the smallest details and its gentle spin gives a more comfortable experience.

All-new quick-release structure, Strap switching made easy

Upgraded next-gen quick-release structure makes strap replacement easier. Diverse strap options* mean you can switch up your style on a whim.

200+ stylish watch faces, Express your individuality

Discover our extensive range of chic watch faces to match your unique style.
Featuring a variety of fun watch faces and customizable components, style and functionality are yours to command.

20-day battery life For a long-lasting companion

Outfitted with a sizeable battery and an energy-efficient chip optimized for longevity. Enjoy a 20-day extra-long battery life in typical usage mode. Portable magnetic charging lets you power up with a simple touch, for worry-free use.

- 10 days AOD mode
- 30 days Long battery mode
- 20 days Typical usage mode
- -25%* System power consumption

Bluetooth® phone call, Raise your wrist to communicate

Redmi Watch 4 connects to your smartphone via Bluetooth, allowing you to view and reject calls on your watch, and engage in conversations with the built-in microphone and speaker without the need to take out your smartphone.

4-channel, PPG sensor configuration

Greater monitoring accuracy
The PPG sensor configuration* has been upgraded to include 4-channel to help increase health monitoring accuracy.

Smart sleep monitoring

With the help of scientific, meticulous sleep monitoring technologies, the watch records your real-time sleep condition at different stages, such as deep sleep, light sleep and REM, improving your sleeping habits and quality.

5ATM Professional water resistance

With 5ATM water resistance*, it is suitable for 18 aquatic sports, allowing you to enjoy your aquatic time with ease. The automatic water drainage function brings you utmost convenience.

Notes:

For more information: https://www.mi.com/global/product/redmi-watch-4/
*The data of battery life is based on Typical Usage mode, tested by Xiaomi Internal Labs. Actual results may vary.
*20 days typical usage mode test conditions: Full charge, factory default settings, static dial, with high-precision sleep monitoring, sleep breathing quality monitoring, all-day stress monitoring, and all-day blood oxygen monitoring turned off. Daily every 10 minutes heart rate detection, and message notifications (100 messages, 2 calls, and 3 alarms a day) turned on. Wrist raised to engage the screen 200 times a day; manually start the app to sync data once a day; 15 minutes of Bluetooth calls every week; use exercise record for 90 minutes every week (GNSS on).
*10 days AOD mode testing conditions: Full charge, factory default settings, static dial, AOD intelligent information screen on. High-precision sleep monitoring, sleep breathing quality monitoring, all-day stress detection, and all-day blood oxygen detection turned off. Daily every 10 minutes heart rate detection, and message notifications (100 messages, 2 calls, and 3 alarms a day) turned on. Wrist raised to engage the screen 200 times a day; manually start the app to sync data once a day; 15 minutes of Bluetooth calls every week; use exercise record for 90 minutes every week (GNSS on).
*30 days long battery mode testing conditions: Full charge, factory default settings, static dial. High-precision sleep monitoring, sleep breathing quality monitoring, all-day stress detection, all-day blood oxygen detection, all-day heart rate detection turned off. Message notifications (100 messages, 1 call, and 1 alarm a day), wrist raised to engage the screen 20 times a day.
*The watch must be kept connected to the smartphone's Bluetooth. The voice calls from third-party app are currently not supported.
*This product and its features are not designed for medical purposes, and are not intended to predict, diagnose, prevent, or cure any diseases.
*Data are derived from Xiaomi Internal Lab and compared with Redmi Watch 3. Results may vary due to differences in testing equipment, environment, and individual usage patterns and habits. Please refer to the actual data.
*The aluminum alloy frame refers to the frame part of the watch body, not the entire watch.
*The product comes with a black or white TPU strap. Straps of other colors displayed on this webpage must be purchased separately.
*This product is not designed as a medical device, nor is it intended to diagnose, treat, cure, or prevent any disease. All data and measurements are for personal reference only and shall not be used as a basis for diagnosis and treatment.
*After the device is turned on for all-day heart rate monitoring, it will monitor at a certain frequency during the day. For more details about the monitoring frequency and principle, please refer to the description in the APP.
*The breathing excercise function needs to be manually enabled.
*Needs to be manually turned on by the user to monitor the user's blood oxygen status. For more details about the monitoring frequency and principle, please refer to the description in the APP.
*The warm-up session applies only in selected sports modes.
*The rating is based on ISO 22810:2010 standard. Test report number is 68.189.23.0305.02. The watch can be worn in swimming pools, while swimming near the shore, or during other shallow-water activities. It cannot be used in hot showers, saunas, or when diving. Please avoid the watch being directly impacted by swift currents during water sports. The level of water resistance is not permanent and may deteriorate over time.
*To use this feature, you must enable it and set an emergency contact in the app and the watch should be kept connected to your smartphone over Bluetooth.
*The product images and models, data, functions, performance, specifications, user interface, and other product information on this page are for reference only and may differ from the actual product. Xiaomi may amend this information. For details, please refer to the actual product.