---
product_id: 591467193
title: "S4 AcuFit One Smart Watch 1.78\" AMOLED Screen for Men Women, Bluetooth Call Dial Fitness Tracker, Heart Rate and Blood Oxygen, Sleep Monitor, IP68 Waterproof, Workout for iOS Android, Black"
brand: "tozo"
price: "€ 62.97"
currency: EUR
in_stock: true
reviews_count: 7
category: "Tozo"
url: https://www.desertcart.gr/products/591467193-s4-acufit-one-smart-watch-1-78-amoled-screen-men
store_origin: GR
region: Greece
---

# IP68 Waterproof Rating 1.78" AMOLED HD Display 100+ Sports Modes S4 AcuFit One Smart Watch 1.78" AMOLED Screen for Men Women, Bluetooth Call Dial Fitness Tracker, Heart Rate and Blood Oxygen, Sleep Monitor, IP68 Waterproof, Workout for iOS Android, Black

**Brand:** tozo
**Price:** € 62.97
**Availability:** ✅ In Stock

## Summary

> ⌚ Elevate your lifestyle with TOZO S4 — where style meets smart performance!

## Quick Answers

- **What is this?** S4 AcuFit One Smart Watch 1.78" AMOLED Screen for Men Women, Bluetooth Call Dial Fitness Tracker, Heart Rate and Blood Oxygen, Sleep Monitor, IP68 Waterproof, Workout for iOS Android, Black by tozo
- **How much does it cost?** € 62.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/591467193-s4-acufit-one-smart-watch-1-78-amoled-screen-men)

## Best For

- tozo enthusiasts

## Why This Product

- Trusted tozo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vivid AMOLED Display:** Experience ultra-clear visuals with a 1.78" AMOLED screen and 368x448 resolution for sharper, faster response.
- • **Fitness Mode Overload:** Choose from 100+ sports modes to tailor your workouts and crush your fitness goals with precision.
- • **All-Day Health Insights:** Track heart rate, blood oxygen, sleep, and stress levels seamlessly to stay ahead of your wellness game.
- • **Built to Last & Impress:** IP68 waterproof design with a durable aluminum alloy case and magnetic charging for effortless daily wear.
- • **Stay Connected Hands-Free:** Make Bluetooth calls, receive notifications, and control music without missing a beat.

## Overview

The TOZO S4 AcuFit One Smart Watch features a vibrant 1.78" AMOLED display with 368x448 resolution, over 100 sports modes, and comprehensive health tracking including heart rate, blood oxygen, and sleep monitoring. Its IP68 waterproof rating and durable aluminum alloy case ensure reliability, while Bluetooth calling and notifications keep you connected. Compatible with iOS and Android, it offers up to 11 days of battery life and magnetic charging for convenience, making it a versatile and stylish companion for active professionals.

## Description

Buy TOZO S4 AcuFit One Smart Watch 1.78" AMOLED Screen for Men Women, Bluetooth Call Dial Fitness Tracker, Heart Rate and Blood Oxygen, Sleep Monitor, IP68 Waterproof, Workout for iOS Android, Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Amazing - Very good look
Review: Elegant multifunctional smart watch - I got this TOZO S4 smartwatch 1 month before .It is elegant ,multifunctional and user friendly with a reasonable price. It helped me with my health issues like sleep study, heart rate and oxygen saturation,mainly when using TOZO Health app, but I hope to get another app. for other functions of the watch.I had an issue with the watch, but the customer service helped me quickly to solve it.

## Features

- 【User-Friendly Design with AMOLED】Featuring an upgraded 1.78'' ultra-clear AMOLED HD Display with 368*448 resolution, which has 25% faster response speed than previous, a wider visual range, lower energy consumption, wider color gamut, and higher contrast, TOZO S5 takes you to experience unprecedented crystal clear visual effects.
- 【All-in-One Smart Watch】TOZO smart watch is the perfect companion for both men and women, combining a fitness tracker and a stylish accessory all in one. Stay connected with its Bluetooth calling feature, as well as call logs and message notifications.
- 【Comprehensive Health Monitoring】Equipped with an extensive range of health tracking features, including heart rate monitoring, blood oxygen level detection, and stress testing. It also tracks your sleep patterns to ensure you get the restful night's sleep you deserve.
- 【Versatile Fitness Tracker】With over 100 different sports modes, our TOZO S5 helps you stay active and reach your fitness goals. Whether you're running, cycling, or practicing yoga, this watch will accurately track your workouts and provide valuable insights to improve your performance.
- 【Worry-free Battery life and Waterproof】With its long-lasting battery, you can wear our smart watch 7-11 days at a time without worrying about recharging. Plus, it is waterproof, making it perfect for daily activities.
- 【Bluetooth Connectivity and Compatibility】When the S4 smart watch is connected to the app via Bluetooth, you can control the music player, check today's local weather, and support mobile search functions. TOZO S4 (AcuFit One) syncs seamlessly with most iOS, Android, and Bluetooth-enabled smartphones. Go to App Store or Google Play to download and install "TOZO Health" for free, then connect our smart watch to your phone to start your smart life journey.
- 【Personal Appearance】The high-strength aluminum alloy shell injects solid protection into the watch. The skin-friendly material strap is designed to fit your wrist better and give you a comfortable touch. At the same time, the S4 smart watch also has a convenient magnetic charging function and provides a variety of personalized watch face options, allowing you to show your personal style as you like.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07L1GRYN4 |
| Additional Features | Versatile Fitness Tracker with over 100 different sports modes |
| Age Range Description | Adult |
| Band Color | Black |
| Band Length | 210 Millimeters |
| Band Material Type | Silicone |
| Band Width | 22 Millimeters |
| Battery Average Life | 10.0, 7.0 days |
| Battery Capacity | 300 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Charge Time | 2 Hours |
| Battery Power | 300 |
| Battery capacity | 300 Milliamp Hours |
| Best Sellers Rank | #24,331 in Electronics ( See Top 100 in Electronics ) #690 in Smartwatches |
| Brand | TOZO |
| Built-In Media | Magnetic Charging Cable |
| Case Material Type | Aluminum |
| Cellular Technology | Bluetooth |
| Clasp Type | Deployant Clasp |
| Color | Black |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | all current iPhone models, all current Samsung Galaxy models, and other Bluetooth-enabled Android devices |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | Touch Control |
| Country of Origin | China |
| Customer Reviews | 4.1 out of 5 stars 487 Reviews |
| Display Type | AMOLED |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Global Trade Identification Number | 06971681318361 |
| Human Interface Input | Buttons, Touchscreen |
| Item Dimensions | 16.4 x 11.4 x 1.9 centimeters |
| Item Dimensions D x W x H | 115D x 46W x 38H millimeters |
| Item Weight | 39 Grams |
| Manufacturer | TOZO |
| Memory Storage Capacity | 128 MB |
| Memory storage capacity | 128 MB |
| Metrics Measured | optical_heart_rate, blood_oxygen |
| Model Name | TOZO S4 AcuFit One |
| Model Number | S4 |
| Operating System | [Proprietary Operating System] |
| Operating system | [Proprietary Operating System] |
| RAM Memory Installed | 128 MB |
| Resolution | 368 x 448 |
| Screen Size | 1.78 Inches |
| Shape | Square |
| Special features | Versatile Fitness Tracker with over 100 different sports modes |
| Sport Type | Cycling, Fitness, Running, Swimming |
| Style Name | Modern |
| Supported Application | Fitness Tracker, Heart Rate Monitor, Blood Oxygen Monitor, Phone Call |
| Supported Satellite Navigation System | GPS |
| Target Audience | men and women |
| Unit Count | 1.00 Count |
| Water Resistance Depth | 1.5 Meters |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP68 |
| Wearable Computer Type | Smart Watch |
| Wireless Compability | Bluetooth |
| Wireless Provider | du |
| Wireless communication standard | Bluetooth |

## Product Details

- **Operating system:** [Proprietary Operating System]
- **Memory storage capacity:** 128 MB
- **Special features:** Versatile Fitness Tracker with over 100 different sports modes
- **Battery capacity:** 3E+2 Milliamp Hours
- **Connectivity technology:** Bluetooth

## Images

![S4 AcuFit One Smart Watch 1.78" AMOLED Screen for Men Women, Bluetooth Call Dial Fitness Tracker, Heart Rate and Blood Oxygen, Sleep Monitor, IP68 Waterproof, Workout for iOS Android, Black - Image 1](https://m.media-amazon.com/images/I/712AP1B29kL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazing
*by A***I on 25 November 2025*

Very good look

### ⭐⭐⭐⭐⭐ Elegant multifunctional smart watch
*by ا***س on 2 January 2025*

I got this TOZO S4 smartwatch 1 month before .It is elegant ,multifunctional and user friendly with a reasonable price. It helped me with my health issues like sleep study, heart rate and oxygen saturation,mainly when using TOZO Health app, but I hope to get another app. for other functions of the watch.I had an issue with the watch, but the customer service helped me quickly to solve it.

### ⭐⭐⭐⭐⭐ Good product
*by M***. on 30 December 2024*

I have Tozo S2 and now the S4 is better

## Frequently Bought Together

- TOZO AMOLED S4 AcuFit One Smart Watch 1.78" Ultra-Clear Screen for Men Women, Call/Answer Fitness Tracker,Sleep Monitor IP68 Waterproof for iOS 11.0+ Android 9.0+ Black
- smaate 3D Screen Protector Compatible with TOZO S4 AcuFit One 1.78” Smart Watch
- MIHENCE Screen Protector Compatible for TOZO S4 Smart Watch, HD Full Coverage TPU Protective Film Compatible for TOZO S4 1.78-inch Smartwatch (6PCS)

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---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-23*