---
product_id: 162173562
title: "DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon"
brand: "duandetao"
price: "C$5602"
currency: NIO
in_stock: true
category: "Electronics"
url: https://www.desertcart.ni/products/162173562-duandetao-d21-0-66-inch-oled-screen-display-bluetooth-smart
store_origin: NI
region: Nicaragua
---

# DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon

**Brand:** duandetao
**Price:** C$5602
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon by duandetao
- **How much does it cost?** C$5602 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/162173562-duandetao-d21-0-66-inch-oled-screen-display-bluetooth-smart)

## Best For

- duandetao enthusiasts

## Why This Product

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

## Description

Color:Purple
            
          
          
        
      
    
  


        
        
     
	       
     

     
                              
     
       	       
        
         
        
        	
        	
        		
        			1. Screen: 0.66 inch OLED screen display. 2. Support Pedometer / Anti-lost Reminder / Heart Rate Monitor / Sleep Monitor 3. Support Pedometer (step, distance, calories). 4. Support APP notification reminder, call reminder, alarm reminder, sedentary reminder. 5. Ultra-light design, easy and convenient to carry. 6. High good taste, fashion and simple. 7. Built-in 80mah battery. 8. IP66 waterproof and dustproof. 9. Compatible with Android and iOS Phones. 10. Professional statical and dynamical heart rate monitor. 11. Bluetooth version: 4.0BLE above(low consumption). 12. Sleep detection (record your sleep time and sleep quality).13. Skin-friendly silicone band, comfortable to wear.Smart Bracelet Smart watchesSmart Bracelet Smart Monitoring Bracelet

## Features

- D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer / Anti-lost Reminder / Heart Rate Monitor / Sleep Monitor, Compatible with Android and iOS Phones(Black)
- Smart Bracelet
- Smart watches

## Images

![DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon - Image 1](https://images-na.ssl-images-amazon.com/images/I/41ESCSj6kHL.jpg)
![DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon - Image 2](https://images-na.ssl-images-amazon.com/images/I/41ESCSj6kHL.jpg)
![DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon - Image 3](https://images-na.ssl-images-amazon.com/images/I/41jtur59-CL.jpg)
![DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon - Image 4](https://images-na.ssl-images-amazon.com/images/I/41SRvRgf6JL.jpg)
![DUANDETAO D21 0.66 inch OLED Screen Display Bluetooth Smart Bracelet, IP66 Waterproof, Support Pedometer/Anti-Lost Reminder/Heart Rate Monitor/Sleep Monitor, Compatible with Android and iOS Phon - Image 5](https://images-na.ssl-images-amazon.com/images/I/41Okqi3FopL.jpg)

---

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**Shop now:** [https://www.desertcart.ni/products/162173562-duandetao-d21-0-66-inch-oled-screen-display-bluetooth-smart](https://www.desertcart.ni/products/162173562-duandetao-d21-0-66-inch-oled-screen-display-bluetooth-smart)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-16*