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TOZO - S4 Smartwatch for Men Women,1.78" AMOLED Screen,Health Tracker,7-Day Battery,100+ Sport Mode,Call/Answer,iOS/Android - Gold - (2026)

Model: S4
SKU: 12128161
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Customers are saying

Customers are enthusiastic about the product's impressive battery life, which consistently meets user expectations. Additionally, many find the device very easy to set up and operate, highlighting its user-friendly design. Overall, the feedback reflects a high level of satisfaction with both its performance and accessibility.

Generated by AI based on customer reviews.

Color

Gold
Features

  • 1.78" Ultra-Clear AMOLED HD Display

    Featuring a vibrant 1.78" AMOLED screen with 368x448 resolution, the display offers 25% faster response, wider color gamut, higher contrast, and lower power consumption. Experience crystal-clear visuals with a broader viewing range, making it easy to read notifications, track workouts, and navigate menus even under bright sunlight.

  • Bluetooth Calling & Smart Notifications

    Stay connected directly from your wrist. Make and receive calls via Bluetooth without reaching for your phone. Get instant vibration alerts for messages, call logs, and app notifications—keeping you informed during workouts, meetings, or daily activities while your phone stays in your pocket or bag.

  • 100+ Sports Modes & IP68 Waterproof Design

    Track over 100 activities including running, cycling, yoga, and more. The watch records heart rate, calories, distance, and performance insights in real time. With IP68 waterproof rating, it withstands sweat, rain, and swimming—making it perfect for intense workouts and outdoor adventures without damage.

  • 24/7 Health & Sleep Monitoring with REM Detection

    Monitor your well-being continuously with all-day heart rate and real-time stress tracking. Advanced sleep analysis detects deep, light, and REM sleep stages to provide comprehensive insights into your sleep quality, helping you adjust routines for more restful nights and better overall health.

  • 7-Day Battery with 30-Day Standby & Fast Charging

    Enjoy up to 7 days of typical use on a single charge and 30 days in standby mode, powered by a 300mAh battery. Fully recharge in just 2 hours via magnetic charging. Compatible with iOS 11.0+ and Android 9.0+, it also offers weather updates, music control, and customizable watch faces for daily convenience.

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Specifications
  • Screen Size
    45 millimeters
    Touch Screen
    Yes
    Operating System Compatibility
    Android
    Operating System
    Android
    App Compatible
    Yes
    Built-in Storage
    0.125 gigabytes
See all specifications
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Reviews

Rating 4.3 out of 5 stars with 6 reviews

5 star rating. 5 reviews1 star rating. 1 review
83% would recommend to a friend
Customers are sayingCustomers are enthusiastic about the product's impressive battery life, which consistently meets user expectations. Additionally, many find the device very easy to set up and operate, highlighting its user-friendly design. Overall, the feedback reflects a high level of satisfaction with both its performance and accessibility.
This summary was generated by AI based on customer reviews.
  • Battery Life (4)
  • Ease of Use (3)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Amazing Smartwatch!

    This is an amazing smartwatch! Has all the functions: tracks your sleep, takes your heart rate, comes preloaded with modes to track your activity throughout the day. This watch can also answer your calls with clear voice transmission. The screen is clear and colors vibrant. The watch easily pairs to your phone through the TOZO app. App provides an easy interface to see the health data in detail. Battery easily last all day with one fast charge. Great watch and much more affordable than then name brands.

    This review is from TOZO - S4 Smartwatch for Men Women,1.78" AMOLED Screen,Health Tracker,7-Day Battery,100+ Sport Mode,Call/Answer,iOS/Android - Black - (2026)

    Posted by PeterL

  • Rated 5 out of 5 stars

    Solid Apple Watch Alternative for Less

    I used this watch on my right wrist for 2.5 days to compare it directly with my Apple Watch 11, which I regularly wear on my left wrist. During that 2.5-day period, the battery dropped from 100% to 55%. However, I should note that I left the watch idle (not worn) for about 11 hours during this time. Based on my usage, I estimate the battery life would last around 5 days. I kept heart-rate monitoring on continuously, so battery life would likely be even longer if that feature were turned off. For step tracking, my counts on the last test day were: • iPhone: 20,201 steps • TOZO S4: 20,135 steps • Apple Watch: 19,796 steps So the step accuracy was very close across devices. When I received calls, the TOZO watch vibrated more strongly than the Apple Watch, which made notifications easier to notice — I found that impressive. I also tested making a call through the TOZO watch, and the audio was clear on both ends. The watch tracks sleep statistics as well, and I like that it offers multiple watch faces to choose from for customization. I also washed my hands with water splashing directly on the watch and had no issues. Overall, the TOZO S4 Smart Watch exceeded my expectations for its price point.

    This review is from TOZO - S4 Smartwatch for Men Women,1.78" AMOLED Screen,Health Tracker,7-Day Battery,100+ Sport Mode,Call/Answer,iOS/Android - Black - (2026)

    Posted by MehmetD

  • Rated 5 out of 5 stars

    Great Performing Smartwatch

    This Tozo smartwatch is a great alternative to other perhaps better known brands and is fantastic value. Using the Tozo app is simple and tracks all of the key metrics you need. This was a gift for my wife and the only thing she didn't like was the black strap. There aren't many replacement band options available online for the S4 but if you do want to change, a generic 19mm band fitted well. It also links well with the iPhone for call and text notifications. The voice option also works great but my wife still prefers using the regular handset rather than speaking into the watch! Battery life has been good and it goes several days between charges. All in all, I would heartily recommend this smartwatch because of its functionality and value.

    This review is from TOZO - S4 Smartwatch for Men Women,1.78" AMOLED Screen,Health Tracker,7-Day Battery,100+ Sport Mode,Call/Answer,iOS/Android - Black - (2026)

    Posted by TomM

  • Rated 5 out of 5 stars

    Tozo Watch

    The battery life is great.It is very comfortable and very easy to set up and operate.

    Posted by NormaP

  • Rated 5 out of 5 stars

    Watch

    It's very nice watch it's very comfortable and easy to operate I wish you could text from the watch

    This review is from TOZO - S4 Smartwatch for Men Women,1.78" AMOLED Screen,Health Tracker,7-Day Battery,100+ Sport Mode,Call/Answer,iOS/Android - Black - (2026)

    Posted by JeanneE

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  • Customer reviews from bestbuy-ca
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Experience clarity and connection with the TOZO S4 Smartwatch. It features a vibrant 1.78" AMOLED display with 368x448 resolution for sharp visuals and wide viewing angles. Stay in touch using Bluetooth calling and notifications, so you never miss important messages or calls.Monitor your wellness with 24/7 heart rate tracking, stress detection, and advanced sleep analysis that identifies deep, light, and REM stages. Track over 100 sports modes like running, cycling, and yoga, with detailed metrics to help you improve performance. The watch is IP68 waterproof for worry-free use in rain or during workouts.Enjoy up to 7 days of battery life on a single charge, with a 30-day standby mode for extended use. Compatible with iOS 11.0+ and Android 9.0+, it offers convenient features like weather forecasts, music control, and customizable watch faces. Sleek and durable, the TOZO S4 is your stylish companion for an active, connected lifestyle.

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4.3(6)

Experience clarity and connection with the TOZO S4 Smartwatch. It features a vibrant 1.78" AMOLED display with 368x448 resolution for sharp visuals and wide viewing angles. Stay in touch using Bluetooth calling and notifications, so you never miss important messages or calls.Monitor your wellness with 24/7 heart rate tracking, stress detection, and advanced sleep analysis that identifies deep, light, and REM stages. Track over 100 sports modes like running, cycling, and yoga, with detailed metrics to help you improve performance. The watch is IP68 waterproof for worry-free use in rain or during workouts.Enjoy up to 7 days of battery life on a single charge, with a 30-day standby mode for extended use. Compatible with iOS 11.0+ and Android 9.0+, it offers convenient features like weather forecasts, music control, and customizable watch faces. Sleek and durable, the TOZO S4 is your stylish companion for an active, connected lifestyle.

Pros for TOZO - S4 Smartwatch for Men Women,1.78" AMOLED Screen,Health Tracker,7-Day Battery,100+ Sport Mode,Call/Answer,iOS/Android - Gold - (2026)
Battery Life, Ease of UseBattery Life, Ease of UseBattery Life, Ease of UseBattery Life, Ease of Use

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