---
product_id: 627570444
title: "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, Gold"
brand: "tozo"
price: "NT$2286"
currency: TWD
in_stock: true
reviews_count: 12
category: "Tozo"
url: https://www.desertcart.tw/products/627570444-tozo-s4-acufit-one-smart-watch-1-78-amoled-screen
store_origin: TW
region: Taiwan
---

# IP68 Waterproof for all-day wear 1.78'' AMOLED HD Display, 368x448 px 100+ Sports Modes for versatile workouts 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, Gold

**Brand:** tozo
**Price:** NT$2286
**Availability:** ✅ In Stock

## Summary

> ⌚ Elevate your fitness & style game with TOZO S4 – where smart meets sleek!

## Quick Answers

- **What is this?** 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, Gold by tozo
- **How much does it cost?** NT$2286 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/627570444-tozo-s4-acufit-one-smart-watch-1-78-amoled-screen)

## 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

- • **100+ Sports Modes:** From running to yoga, get precise workout data tailored to your active lifestyle.
- • **Long-Lasting & Waterproof:** Enjoy 7-10 days of battery life and IP68 waterproofing—ready for any adventure, rain or shine.
- • **Seamless Bluetooth Calling:** Stay effortlessly connected with call dial, logs, and message notifications right on your wrist.
- • **Crystal-Clear AMOLED Display:** Experience ultra-sharp visuals with 25% faster response and vibrant colors that make every glance a delight.
- • **Comprehensive Health Insights:** Track heart rate, blood oxygen, stress, and sleep patterns to optimize your wellness journey.

## Overview

The TOZO S4 AcuFit One Smart Watch features a vibrant 1.78-inch AMOLED HD display with 368x448 resolution and 25% faster response speed. Designed for both men and women, it combines Bluetooth call functionality, comprehensive health monitoring (heart rate, blood oxygen, stress, sleep), and over 100 sports modes. Its IP68 waterproof rating and 7-10 day battery life ensure durability and convenience. Compatible with iOS and Android via the TOZO Health app, it offers a stylish aluminum alloy build with customizable watch faces and magnetic charging.

## 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, Gold 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 S4 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 S4 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 7-10 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 | B0CMTB36Z3 |
| Best Sellers Rank | #10,378 in Electronics ( See Top 100 in Electronics ) #329 in Smartwatches |
| Country of origin | China |
| Item model number | S4 |
| Manufacturer | TOZO |
| Product Dimensions | 16.4 x 11.4 x 1.9 cm; 39 g |

## Product Details

- **Battery capacity:** 300 Milliamp Hours
- **Connectivity technology:** Bluetooth
- **Memory storage capacity:** 128 MB
- **Operating system:** Wear OS
- **Special features:** Heart Rate Monitor, Pedometer, Sleep Monitor

## Images

![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, Gold - Image 1](https://m.media-amazon.com/images/I/71-RgznkR2L.jpg)

## Available Options

This product comes in different **Color** options.

## 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+ Gold
- TOZO T21 Wireless Earbuds Bluetooth 5.3 in Ear Headphones Dual Mic Call Noise Cancelling IPX8 Waterproof 44H Playback Stereo Sound with LED Display Wireless Charging Case 32 EQs via APP Black

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**Shop now:** [https://www.desertcart.tw/products/627570444-tozo-s4-acufit-one-smart-watch-1-78-amoled-screen](https://www.desertcart.tw/products/627570444-tozo-s4-acufit-one-smart-watch-1-78-amoled-screen)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-18*