---
product_id: 162173561
title: "Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android"
brand: "baoduohui"
price: "434 zł"
currency: PLN
in_stock: false
category: "Sporting Goods"
url: https://www.desertcart.pl/products/162173561-baoduohui-fitness-tracker-metal-smart-watch-d21-bluetooth-4-0
store_origin: PL
region: Poland
---

# Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android

**Brand:** baoduohui
**Price:** 434 zł
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android by baoduohui
- **How much does it cost?** 434 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/162173561-baoduohui-fitness-tracker-metal-smart-watch-d21-bluetooth-4-0)

## Best For

- baoduohui enthusiasts

## Why This Product

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

## Description

Main Chipset&#xFF1A;NRF51822Sensor&#xFF1A;Triaxial Gravity SensorLanguages&#xFF1A;Chinese, EnglishOS&#xFF1A;Android4.4 or higher, iOS 7.0 or higherLCD&#xFF1A;0.66&quot;OLEDLCD Pixels&#xFF1A;0.66&quot; 64*48BT Version&#xFF1A;Bluetooth 4.0BT Connection Distance&#xFF1A;8-12mBattery Capacity:80mAhStandby Time&#xFF1A;7 daysCharging Electric Current&#xFF1A;200mACharging Type:Touching Point Charging(Clip Charger)Average Working Current&#xFF1A;6mAhAverage Standby Current:Less than 40uAWorking Voltage:&#xFF1A;3.7VWorking Temperature:-20~70Woriking Humidity&#xFF1A;5%~95% non-congealableDimension&#xFF1A;23.7*12.2*(164~232mm)Colors:Black, PurpleWatchband Material:Silica GelNet Weight:28gWaterproof Grade:IPX65

## Features

- EnglishCompatibility:blood oxygen test, heart rate test, fatigue test, sedentary reminder, movement step, call reminders, SMS reminders, alarm clock reminders
- Record Daily Sports Data(Steps, Calories Burned, Distance); Record Sleep Data (Sleep Duration, Awake time, Deep sleep, Light sleep, etc), let you know how long and how well you sleep， Support Sedentary remind and vibration alarmSmart reminder in vibration when there is incoming calls,message, social information push (Twitter, Facebook etc.)
- Equipped with built-in sensors accurately displays your heart rate, tracking and reminding the data during every sport moment, helping you arrange exercise time and intensity freely. Meanwhile, it will automatically vibration alert when you are facing with abnormal heart rate that different from personal usual data
- AdultFunction:For Android & IOS SmartphoneWaterproof:Heart Rate MonitorMCU Chipset,nRF51822 Smart bracelet
- Usually, we will ship in 1-3 days, delivery time is 9-15 days

## Images

![Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android - Image 1](https://images-na.ssl-images-amazon.com/images/I/41MK7wQxhgL.jpg)
![Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android - Image 2](https://images-na.ssl-images-amazon.com/images/I/51idQ4mhjAL.jpg)
![Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android - Image 3](https://images-na.ssl-images-amazon.com/images/I/51Qhl6R1wwL.jpg)
![Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android - Image 4](https://images-na.ssl-images-amazon.com/images/I/51tlJxBTjCL.jpg)
![Baoduohui Fitness Tracker Metal Smart Watch D21 Bluetooth 4.0 Pulse Heart Rate and Calorie Burned Sport Monitor with Pedometer Smart Bracelet for iOS Android - Image 5](https://images-na.ssl-images-amazon.com/images/I/518%2BxRkhxEL.jpg)

---

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**Shop now:** [https://www.desertcart.pl/products/162173561-baoduohui-fitness-tracker-metal-smart-watch-d21-bluetooth-4-0](https://www.desertcart.pl/products/162173561-baoduohui-fitness-tracker-metal-smart-watch-d21-bluetooth-4-0)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-23*