---
product_id: 142007937
title: "Opta RSB-091 Bluetooth Fitness Watch"
brand: "opta"
price: "168895₫"
currency: VND
in_stock: false
reviews_count: 2
url: https://www.desertcart.vn/products/142007937-opta-rsb-091-bluetooth-fitness-watch
store_origin: VN
region: Vietnam
---

# Long standby time Dynamic heart rate monitor All-day activity tracking Opta RSB-091 Bluetooth Fitness Watch

**Brand:** opta
**Price:** 168895₫
**Availability:** ❌ Out of Stock

## Summary

> 🏋️‍♂️ Elevate Your Fitness Game with Opta!

## Quick Answers

- **What is this?** Opta RSB-091 Bluetooth Fitness Watch by opta
- **How much does it cost?** 168895₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/142007937-opta-rsb-091-bluetooth-fitness-watch)

## Best For

- opta enthusiasts

## Why This Product

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

## Key Features

- • **Stay Connected:** Receive call notifications right on your wrist.
- • **Sleek & Stylish:** Polished black aluminum design fits any outfit.
- • **Waterproof Wonder:** Dive into your workouts without worry.
- • **Your Fitness Companion:** Tracks all your activities, from running to cycling.
- • **Stay Ahead of Your Health:** 24/7 heart rate monitoring for peace of mind.

## Overview

The Opta RSB-091 Bluetooth Fitness Watch is a sleek, waterproof fitness tracker designed for the active individual. With a dynamic heart rate monitor, all-day activity tracking, and seamless smartphone connectivity, it ensures you stay on top of your health and fitness goals while looking stylish.

## Description

Professional heart rate, color screen + touch, ip67 waterproof note: blood pressure data is only for reference(might not be 100% accurate), not suitable for medical purpose.Heart rate monitor uses the brand new dynamic algorithm to monitor the heart rate, which is more accurate and more reliable than other smart bands as most of other smart bands in the market are only with static algorithms chip: cpu nrf52832(m0) ram:64 kb rom flash:512kb+32mb bluetooth version 4.0 strap material: steel material front shell alloy material battery: 110 mah stand by mode: 5 days 2-5 days in integrated use and 11 hours in depending on usage heart rate chip em7028 support system: ios 8 and android 4.3 screen resolution: 240 240 1.3 inch weight of watch:45 grams complete package weight: 130 grams supported languages: english, french, spanish, polish, portuguese, japanese, italian, german, czech, russian package list: 1 x smart band 1 x charger cable 1 x user manual.

## Features

- Material: Aluminum-alloy; Color: Black
- Target Audience: Unisex
- Size: Medium
- Package Contents: 1 Smart Watch
- Dynamic heart rate monitor: the opta sb-074 smart fitness tracker supports a fully automatic heart rate monitor that keeps track of your heart rate around the clock.
- All day activity tracker: whether you're into running, cycling,- the opta band will follow you anywhere you go. Built-in activities data support for walking,running,cycling,football,basketball.
- Fitness & other features: additionally, the opta sb-074 smart fitness tracker comes with these features - heart rate detection,time, alarms, step, distance and calorie display on device
- App/phone sync: when paired with your smartphone through bluetooth this fitness tracker provides you with incoming call notifications to make sure you'll never miss out on an important message
- Thimble charging & long standby time: the opta sb-074 smart fitness tracker needs to be connected to the device and needs to be plugged into a usb chagring port
- In-Box Contents: 1 x Smart Watch

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Shade Material | Alloy Steel, Aluminium |
| Enclosure Material | Alloy Steel, Aluminium, Metal |
| Base Material | Alloy Steel, Aluminium |
| Finish Types | Polished |
| Shade Color | Black |
| Shape | Round |
| Colour | Black |
| Style | Bluetooth Fitness Watch |
| Connectivity Technology | USB |
| Is Waterproof | true |
| Water Resistance Level | Waterproof |
| Power Source | Battery Powered |
| Switch Type | Touch |
| Connectivity Protocol | Bluetooth |
| Mounting Type | Tabletop |
| Lighting Method | Adjustable |
| Product Features | Distance Tracker, Heart Rate Monitor |

## Product Details

- **Finish Type:** Polished
- **Base Material:** Alloy Steel, Aluminium
- **Shade Colour:** Black
- **Shade Material:** Alloy Steel, Aluminium
- **Switch Type:** Touch
- **Style:** Bluetooth Fitness Watch
- **Brand:** OPTA
- **Colour:** Black
- **Special Feature:** Distance Tracker, Heart Rate Monitor
- **Material:** Alloy Steel, Aluminium, Metal

## Images

![Opta RSB-091 Bluetooth Fitness Watch - Image 1](https://m.media-amazon.com/images/I/51rFn7W0CYL.jpg)
![Opta RSB-091 Bluetooth Fitness Watch - Image 2](https://m.media-amazon.com/images/I/61baU-24GQL.jpg)
![Opta RSB-091 Bluetooth Fitness Watch - Image 3](https://m.media-amazon.com/images/I/61dTnjWd2aL.jpg)
![Opta RSB-091 Bluetooth Fitness Watch - Image 4](https://m.media-amazon.com/images/I/61mMFA4h8NL.jpg)
![Opta RSB-091 Bluetooth Fitness Watch - Image 5](https://m.media-amazon.com/images/I/61mKA7Fy6VL.jpg)

## Customer Reviews

### ⭐ 1.0 out of 5 stars







  
  
    useless thing i evr cme across
  

*by A***Y on Reviewed in India on 19 October 2019*

really hopeless product they show a big things bt its really useless product nt evn worth of 500 rs i prefer not to buy it by evn a mistake i request Amazon to tk it back bt they hv not yet turned up to take it i m gving a 1 star coz this review is nt going without a star

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Happy to get this
  

*by A***A on Reviewed in India on 21 January 2020*

Superb watch! Accepted featuring

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**Shop now:** [https://www.desertcart.vn/products/142007937-opta-rsb-091-bluetooth-fitness-watch](https://www.desertcart.vn/products/142007937-opta-rsb-091-bluetooth-fitness-watch)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-26*