---
product_id: 101077191
title: "Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour)"
brand: "rewy"
price: "€ 0.95"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.ie/products/101077191-rewy-zm3-bt4-2-heartrate-tracker-fitness-band-with-oled
store_origin: IE
region: Ireland
---

# Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour)

**Brand:** rewy
**Price:** € 0.95
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour) by rewy
- **How much does it cost?** € 0.95 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/101077191-rewy-zm3-bt4-2-heartrate-tracker-fitness-band-with-oled)

## Best For

- rewy enthusiasts

## Why This Product

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

## Description

Heart Rate Fitness Tracker Heart rate and Blood Pressure Smart Fitness Band IP67 Waterproof Fitness Band Smart wristband fitness tracker heart rate monitor instant message incoming call alert waterproof 5atm OLED touch screen weather forecast 30 skills. Weight is onlthe y 20gm wechat, caller and other content display; temperature changes within three days; event reminder, vibration alarm clock 50 meters swimming waterproof. Swimming, surfing, wearable, 5atm waterproof adds the secondary function of sports, and the sports data is visible in real time. Regardless of running, cycling, walking, you can always understand the physical state of your heart rate, speed, and adjust exercise intensity for better results. Meet the standard reminder. Set a small goal. When you complete the goal for the day, the millet bracelet 3 will gently alert you that it is up to date today. All-day health management. &apos;More accurate step, heart rate, sleep quality monitoring, a sedentary reminder 20 days long battery life, secret unlock, caller ID/rejection. 30 Skills anti-lost design: firmly lock the body, not easy to lose soft skin-friendly material, EASY to wear reminder: in the misfit app, you can set daily needs according to your own situation, choose fitness courses that suit you, and regularly check your week&apos;s exercise and sleep data. Size: 17.9 X 46.9 X 12mm wristband length: 247mm adjustable length of wristband: 155 - 216mm battery capacity: 110mah standby time: about 20 days battery type: Lithium-ion polymer battery input voltage: DC 5.0V input current: 250ma max weight: about 20g (including wristband) waterproof rating: 5atm working temperature: - screen size: 0.78 Inches display resolution: 128 x 80 sensors: 3-axis accelerometers, ppg heart rate sensors wireless connection: Bluetooth 4.2 version setup requirements.

## Features

- Tracker steps / Distance measurement / Calorie consumption management / Sleep cycle / Time display.
- Reminder / Call reminder / Message reminder （IOS System unavailable ）. Compatile For system: IOS 8.0 and later, andorid 4.4 and later.
- Display Health Parameters : This smart wristband can display the time, date, steps, distance and calories clearly.
- Health Monitoring : This smart wristband can monitor your steps and distance, exercise time, blood pressure, heart rate, sleep quality at night, etc. Meanwhile, it's waterproof and anti-lost.
- Vibrate Notification : when there are incoming calls or messages, you will never miss any important news, emails or Facebook messages.
- ›See more product details

## Images

![Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41g9uR2otCL.jpg)
![Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour) - Image 2](https://images-na.ssl-images-amazon.com/images/I/41Bb1c0gK9L.jpg)
![Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour) - Image 3](https://images-na.ssl-images-amazon.com/images/I/41DxnZ30nuL.jpg)
![Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour) - Image 4](https://images-na.ssl-images-amazon.com/images/I/514KBHSjLDL.jpg)
![Rewy ZM3-BT4.2 Heartrate Tracker Fitness Band with OLED Touchscreen | Calorie Counter Compatible with All iOS,Android & Windows Device (Assorted Colour) - Image 5](https://images-na.ssl-images-amazon.com/images/I/51v-VN710jL.jpg)

## Customer Reviews

### ⭐⭐⭐ 







  
  
    Mixed opinion
  

*by V***A on Reviewed in India on 18 February 2019*

Pros :Affordable priceTime worksDoes have a colourful screen unlike mi band 3Cons:Does not support low end android devicesDoes not suppprt older generation nokia phonesNot accurate heart rate monitorBand is not as comfortably as something like mi band

### ⭐⭐⭐⭐ 







  
  
    Best battery life
  

*by L***I on Reviewed in India on 16 April 2019*

It's battery life really is great....it is difficult to charge it at first but than you get it prefect after 3-4 times

### ⭐ 







  
  
    Bad Purchase
  

*by V***O on Reviewed in India on 11 April 2019*

I ordered this watch twice and both times it came defective. First time the watch was broken along with torn packaging. The second time the screen was flickering and changing on its own.

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**Shop now:** [https://www.desertcart.ie/products/101077191-rewy-zm3-bt4-2-heartrate-tracker-fitness-band-with-oled](https://www.desertcart.ie/products/101077191-rewy-zm3-bt4-2-heartrate-tracker-fitness-band-with-oled)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-09*