---
product_id: 267369684
title: "Sennheiser CX 300S In Ear Headphone with One-Button Smart Remote - Red"
brand: "sennheiser"
price: "R$474"
currency: BRL
in_stock: true
category: "Sennheiser"
url: https://www.desertcart.com.br/products/267369684-sennheiser-cx-300s-in-ear-headphone-with-one-button-smart
store_origin: BR
region: Brazil
---

# Precision German audio clarity Effective ambient noise isolation One-button smart remote control Sennheiser CX 300S In Ear Headphone with One-Button Smart Remote - Red

**Brand:** sennheiser
**Price:** R$474
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your daily soundtrack with precision and style.

## Quick Answers

- **What is this?** Sennheiser CX 300S In Ear Headphone with One-Button Smart Remote - Red by sennheiser
- **How much does it cost?** R$474 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/267369684-sennheiser-cx-300s-in-ear-headphone-with-one-button-smart)

## Best For

- sennheiser enthusiasts

## Why This Product

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

## Key Features

- • **Custom Fit Comfort:** Four ear tip sizes (XS, S, M, L) ensure a personalized, secure fit that stays put during your busiest days.
- • **Immersive Noise Isolation:** In-ear design blocks out distractions so you can focus on your music or calls, wherever you are.
- • **Lightweight & Tangle-Free:** Ultra-light design with a retractable, tangle-free cable keeps your setup sleek and hassle-free.
- • **Seamless Control On-The-Go:** One-button inline smart remote lets you effortlessly play, pause, and take calls without reaching for your device.
- • **Crystal-Clear Sound Precision:** Experience every note with Sennheiser’s renowned German engineering delivering pristine audio clarity.

## Overview

The Sennheiser CX 300S In-Ear Headphones combine precision German engineering with a customizable fit and smart remote control, delivering clear, balanced sound and effective noise isolation. Designed for professionals on the move, these lightweight earphones offer four ear tip sizes for comfort, a tangle-free retractable cable, and seamless device compatibility via a 3.5mm jack.

## Description

Boost your sound with Sennheiser’s CX 300S earphones which offer amazingly detailed sound reproduction and enhanced bass response thanks to Sennheiser’s transducer technology. S, M, L) to choose from. A Smart remote enables you to play/pause music and take calls across all devices.

## Features

- Precision German engineering ensures excellent audio clarity, so you will hear every detail of your music
- Product Note : If the size of the earbud tips does not match the size of your ear cs or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears
- One button inline smart remote makes it convenient to play and pause music and take calls without needing to fumble with your phone
- Four sizes (XS, S, M, L) of ear adapters are included so you can get an individualized fit for personal comfort
- In ear design creates a secure fit for excellent reduction of ambient noise so you can relax and focus on the music

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07N9J4BTK |
| Additional Features | Lightweight, Microphone Included, Noise Isolation, Tangle Free Cord |
| Age Range Description | Adult |
| Antenna Location | Music |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #70,818 in Electronics ( See Top 100 in Electronics ) #3,113 in In-Ear Headphones |
| Brand | Sennheiser |
| Built-In Media | 4 Ear adapter Sizes (XS/S/M/L) |
| Cable Features | Retractable |
| Color | Red |
| Compatible Devices | Cellphones, Tablets, Laptops, Desktops |
| Connectivity Technology | Wired |
| Control Method | Remote |
| Control Type | remote |
| Controller Type | remote |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,489) |
| Earpiece Shape | Rounded Tips |
| Enclosure Material | Silicone |
| Global Trade Identification Number | 00615104327825 |
| Headphone Folding Features | In Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 18 Ohms |
| Is Autographed | No |
| Item Type Name | Headphone |
| Item Weight | 0.38 Ounces |
| Manufacturer | Sennheiser |
| Model Name | CX 300S Red |
| Model Number | CX 300S Red |
| Noise Control | Sound Isolation |
| Number of Items | 1 |
| Sensitivity | 18 Ohm |
| Specific Uses For Product | Personal |
| Style Name | In earphone |
| Subject Character | no character |
| Theme | Audio |
| UPC | 615104327825 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Sennheiser
- **Colour:** Red
- **Ear placement:** In Ear
- **Form factor:** In Ear
- **Impedance:** 18 Ohms

## Images

![Sennheiser CX 300S In Ear Headphone with One-Button Smart Remote - Red - Image 1](https://m.media-amazon.com/images/I/51ov0q9cRvL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Frequently Bought Together

- Sennheiser CX 300S In Ear Headphone with One-Button Smart Remote - Red
- OneKer USB Type C to 3.5mm Headphone Jack Adapter, (2-Pack) USB C to Aux Female Audio Dongle Cable Cord Compatible with iPhone 16/15 Pro/15 Plus/15 Pro Max,iPad Pro,MacBook, Samsung Galaxy S24 S23 S22
- Apple MFi Certified 2 Pack Lightning to 3.5 mm Headphone Jack Adapter for iPhone, iPhone Aux Adapter Converter Dongle Audio Cable Compatible with iPhone 14 13 12 11 X XS 8 7

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**Shop now:** [https://www.desertcart.com.br/products/267369684-sennheiser-cx-300s-in-ear-headphone-with-one-button-smart](https://www.desertcart.com.br/products/267369684-sennheiser-cx-300s-in-ear-headphone-with-one-button-smart)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-10-09*