---
product_id: 5427619
title: "Polar RS300x Heart Rate Monitor"
brand: "polar"
price: "₩261728"
currency: KRW
in_stock: true
category: "Misc."
url: https://www.desertcart.kr/products/5427619-polar-rs300x-heart-rate-monitor
store_origin: KR
region: South Korea
---

# Polar RS300x Heart Rate Monitor

**Brand:** polar
**Price:** ₩261728
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Polar RS300x Heart Rate Monitor by polar
- **How much does it cost?** ₩261728 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/5427619-polar-rs300x-heart-rate-monitor)

## Best For

- polar enthusiasts

## Why This Product

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

## Description

Get all the essential heart rate features with this good-looking and simple-to-use training computer. RS300X is compatible with S1 foot pod and G1 GPS sensor, so you can combine heart rate with speed and distance.

## Features

- LEFTnotruc(Helps you to train at the right intensity with personal training zones,500)
- Displays how many calories you've burned
- Tracks your latest 16 training sessions and your last 16 weeks of training
- Transfers training data to polarpersonaltrainer.com with optional Polar FlowLink
- Automatic/Manual target zone (% / bpm / HRR%)

## Images

![Polar RS300x Heart Rate Monitor - Image 1](http://ecx.images-amazon.com/images/I/51qPX4GXoiL.jpg)
![Polar RS300x Heart Rate Monitor - Image 2](http://ecx.images-amazon.com/images/I/31Rd9kR0z0L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/5427619-polar-rs300x-heart-rate-monitor](https://www.desertcart.kr/products/5427619-polar-rs300x-heart-rate-monitor)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-03*