TOZO S4 Smart Watch for Men Women IP68 Waterproof Smartwatch for iPhone & Android, 1.78" Ultra-Clear AMOLED Screen, Bluetooth Call(Answer/Make Calls), 100+ Sports Modes, Fitness Tracker Sleep Monitor
TOZO S4 Smart Watch for Men Women IP68 Waterproof Smartwatch for iPhone & Android, 1.78" Ultra-Clear AMOLED Screen, Bluetooth Call(Answer/Make Calls), 100+ Sports Modes, Fitness Tracker Sleep Monitor
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TOZO

TOZO S4 Smart Watch for Men Women IP68 Waterproof Smartwatch for iPhone & Android, 1.78" Ultra-Clear AMOLED Screen, Bluetooth Call(Answer/Make Calls), 100+ Sports Modes, Fitness Tracker Sleep Monitor

301 ratings
TOZO S4 Smart Watch for Men Women IP68 Waterproof Smartwatch for iPhone & Android, 1.78" Ultra-Clear AMOLED Screen, Bluetooth Call(Answer/Make Calls), 100+ Sports Modes, Fitness Tracker Sleep MonitorTOZO AMOLED S4 Smart Watch 1 78 Ultra Clear Screen Men Women Call Answer Fitness Tracker Sleep Monitor IP68 Waterproof iOS 11 0 Android 9 0 BlackTOZO S3 Smart Watch Men Women iPhone Android 1 83 Fitness Tracker Bluetooth Call Answer Make IP68 Waterproof Sleep Monitor 100 Sport Modes Black

Key item features

  • Vivid AMOLED Display: Features an upgraded 1.78'' ultra-clear AMOLED HD Display with 368*448 resolution, offering 25% faster response, wider visual range, and lower energy consumption.
  • Integrated Smart Functionality: This all-in-one smartwatch provides Bluetooth calling (answer/make calls), call logs, and message notifications, serving as a fitness tracker and stylish accessory.
  • Comprehensive Health Monitoring: Equipped with a high-precision sensor for accurate real-time stress testing and detailed sleep pattern tracking, including deep, light, and REM sleep stages.
  • Extensive Sports Modes: Offers over 100 different sports modes to accurately track workouts and provide valuable insights for activities like running, cycling, and yoga.
  • Extended Battery Life: Boasts a 300 mAh battery providing up to 7 days of use, 30 days standby, and fully charges in about 2 hours, complemented by IP68 waterproofing for daily activities.
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Customer ratings & reviews

4.5 out of 5 stars
stars
301 ratings291 reviews
How item rating is calculated
  1. 5 stars80% (241)
  2. 4 stars6% (19)
  3. 3 stars3% (10)
  4. 2 stars4% (11)
  5. 1 star7% (20)

Reviews summary

Pros

  • : Features clean lines and a stylish appearance.
  • : Tracks various activities and health metrics.
  • : Made of a gentle, irritation-free material.
  • : Offers many features at a low cost.
  • : The device records pulse and syncs data with the app.

Neutral

  • : The app syncs instantly at times but can lag or fail.
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Showing 1-3 of 291 reviews

Feb 10, 2026
Reviewer name: Robert
Item details
Color: S4 Smart Watch
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great watch

I bought this watch to help monitor my sleep patterns. It works great and does much more. It's an inexpensive watch that I am really happy with.

Helpful?76SDWSTISEW115916772952
Jun 17, 2026
Reviewer name: Alexander
Item details
Color: S5 Smart Watch
Sold and shipped byTOZO STORE
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great smart watch for the value

Great watch. I've had other Tozo smart watches and this is the best iteration. I love the look and performance. I wish there were a few more face options but I've found a few I like and can personalize with a picture as well.

Helpful?76SDWSTISEW115916772952
Feb 16, 2026
Reviewer name: Mark
Top Reviewer
Item details
Color: S5-Gray
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

my son loves this watch and looks awesome on

Helpful?76SDWSTISEW115916772952
Price when purchased online
5 free offers, including Apple Fitness+ up to 3 months Free
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