---
product_id: 162449545
title: "marcrazy Smart Band / Bracelet M 4(Black Strap, Size : FREE)"
brand: "marcrazy"
price: "฿669"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/162449545-marcrazy-smart-band-bracelet-m-4-black-strap-size-free
store_origin: TH
region: Thailand
---

# marcrazy Smart Band / Bracelet M 4(Black Strap, Size : FREE)

**Brand:** marcrazy
**Price:** ฿669
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** marcrazy Smart Band / Bracelet M 4(Black Strap, Size : FREE) by marcrazy
- **How much does it cost?** ฿669 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/162449545-marcrazy-smart-band-bracelet-m-4-black-strap-size-free)

## Best For

- marcrazy enthusiasts

## Why This Product

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

## Description

Fitness Smart band: If you're a fitness freak and love keeping a track of the calories burnt, sleep cycle, and heart rate, and then the M4 Smart Band is what you need. This smart band works as a heart rate tracker, fitness watch, and an activity tracker.M4 waterproof Smart fitness Band compatible with Bluetooth or Heart Rate Sensor. It is compatible to devices having Bluetooth version 4.0 and below in smartphones, Tablets and PC's and also support Android. Functions: \n1.Heart Rate Monitor\n2.Sedentary reminder\n3.Calories\n4.Time\n5.Alarm\n6.Anti-lost\n7.Distance calculation\n8.Step Monitor\n10.Call Alert\n11.Wrist sense\n\nPre-requisites for use: Your mobile phone Bluetooth version must be Bluetooth 4.0 or higher Android version must be Android 4.3 or above. \n\nWorking: To connect the smart band to mobile phone, you need to connect the current mobile successfully via Bluetooth.OLED DisplayWater ResistantModel Number: SW-1Model Name: Smart Band / Bracelet M 4Reading Type: DigitalIdeal For: UnisexMaterial: RubberSuitable For: Daily WorkoutTouch Enabled: YesWater Resistant: YesWater Resistant Rating: IP67Function: Show Time, Date, Alarm clock, Display, Reject Calls, View Messages, Idle Alert, phone unlock, Event Reminders, Phone Locator, Weather Forecast, App Notifications, Smart UnlockIndicator Type: Vibration, sensorCompatible Devices: Android 4.4 + and IOS 8.5 and aboveSales Package: 1 CHARGER, 1 SCREEN, 1 BAND, MANUAL INSTRUCTIONActivity Tracker Present: YesActivity Tracking Function: Running, Walking, Heart rate, Daily Steps Count, Calories burned, Distance Covered,, Sleep MonitoringSensor Type: 3-axis Accelerometer, PPG Heart Rate SensorHeart Rate Monitor Present: YesShock Resistant: YesOperating Temperature: 10 Degree C to 50 Degree C KWifi Enabled: NoBluetooth Enabled: YesBluetooth Version: 4.0Connectivity Range: 10 mWireless Options: Sync WirelesslyDisplay Type: OLEDDisplay Resolution: 128 x 80 PixelsBattery Life: 45 DaysBattery Type: Lithium PolymerCharge Time: 1/2Other Features: Step,Calories,Distance, The Fitness Band Holds The Features Like: Water Proof Coating, Pedometer(Step Counter), Heart Rate Monitor, Calorie Counter, Blood Pressure & Oxygen Monitoring, Sedentary Reminder, Sleep Monitoring etc., The New M4 Band Comes With A 0.96inch HD Screen and Sleek Light Weight Yet Durable Design Which Makes It Very Comfortable To Wear And Carry Around. Comes With Flexible And Solid Silicon Straps For More Comfort., Social share?wechat, QQ, Facebook, Twitter)Weight: 20 gWarranty Summary: NAService Type: NACovered in Warranty: NANot Covered in Warranty: NA

## Features

- OLED Display
- Water Resistant

## Images

![marcrazy Smart Band / Bracelet M 4(Black Strap, Size : FREE) - Image 1](https://rukminim1.flixcart.com/image/800/800/k186fm80/smart-band-tag/r/n/k/sw-1-marcrazy-original-imafkpkew7kbd82h.jpeg?q=90)

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**Shop now:** [https://www.desertcart.co.th/products/162449545-marcrazy-smart-band-bracelet-m-4-black-strap-size-free](https://www.desertcart.co.th/products/162449545-marcrazy-smart-band-bracelet-m-4-black-strap-size-free)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-29*