---
product_id: 266656770
title: "Koss KSC21 17.8 x 7.6 1.9 cm ; 45.4 g Sportclip Clip-On Headphones (3.5 mm Jack) for iMac/Laptop/iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black, Wired"
brand: "koss"
price: "217 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/266656770-koss-ksc21-17-8-x-7-6-1-9-cm
store_origin: RO
region: Romania
---

# Lightweight sportclip design Secure fit for active lifestyles 40-20,000Hz frequency response Koss KSC21 17.8 x 7.6 1.9 cm ; 45.4 g Sportclip Clip-On Headphones (3.5 mm Jack) for iMac/Laptop/iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black, Wired

**Brand:** koss
**Price:** 217 Lei
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your active sound game—comfort and clarity that keep pace with you!

## Quick Answers

- **What is this?** Koss KSC21 17.8 x 7.6 1.9 cm ; 45.4 g Sportclip Clip-On Headphones (3.5 mm Jack) for iMac/Laptop/iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black, Wired by koss
- **How much does it cost?** 217 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/266656770-koss-ksc21-17-8-x-7-6-1-9-cm)

## Best For

- koss enthusiasts

## Why This Product

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

## Key Features

- • **Sport-Ready Durability:** Lightweight yet robust design tailored for sports and exercise, so you never miss a beat while on the move.
- • **Tangle-Free Convenience:** Straight, dual-entry 1.2m cord designed for hassle-free movement and durability during your active routines.
- • **Universal Compatibility:** Seamlessly plugs into any device with a 3.5mm jack—from iPhones to laptops—keeping you connected everywhere.
- • **Effortless All-Day Comfort:** Pivoting ear plates and foam cushions ensure a perfect, breathable fit that stays put during your toughest workouts.
- • **Crystal-Clear Sound Clarity:** Dynamic drivers deliver an extended 40-20,000Hz frequency range for rich, immersive audio whether on calls or playlists.

## Overview

The Koss KSC21 SportClip headphones combine a lightweight, pivoting ear-clip design with dynamic drivers delivering a wide 40-20,000Hz frequency response. Engineered for sports and exercise, they offer breathable foam cushions and a secure fit, compatible with any device featuring a 3.5mm jack. With a durable 1.2m dual-entry cord, these wired headphones provide clear, open sound ideal for professionals balancing active lifestyles and seamless connectivity.

## Features

- Lightweight sportclip design with pivoting ear plates for a better fit
- Extended 40-20,000Hz frequency response
- Improved signal transmission and conduction for cleaner, clearer sound
- Ear cushions guarantee an open, hear-through sound
- Includes a straight, dual-entry 4 foot cord with 3.5 mm (1/8-inch) plug
- Frequency Response: 40-20,000 Hz
- Dynamic element for extended frequency response
- Lightweight Sportclip design
- Foam cushions for an open, hear-through sound
- Straight, dual entry 1.2m cord and 3.5mm jack plug

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004WD1F1O |
| Additional Features | Sports_&_Exercise, Volume Control |
| Age Range Description | adults |
| Antenna Location | Exercising, Running |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #118,047 in Electronics ( See Top 100 in Electronics ) #401 in On-Ear Headphones |
| Bluetooth Version | 2.0 |
| Brand | Koss |
| Built-In Media | See Specs |
| Cable Features | Retractable |
| Carrying Case Color | Black |
| Carrying Case Weight | 50 Grams |
| Color | black |
| Compatible Devices | Most devices with a 3.5 mm audio jack, including smartphones, laptops, and MP3 players |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Volume Control |
| Controller Type | Touch |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.0 4.0 out of 5 stars (620) |
| Earpiece Shape | Angled ear hook with over-ear cups |
| Enclosure Material | Plastic |
| Frequency Range | 40-20,000Hz |
| Frequency Response | 20000 Hz |
| Headphone Folding Features | On Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 26 Ohms |
| Is Autographed | No |
| Is Electric | No |
| Item Type Name | Koss KSC21 SportClip Clip-On Headphones,Black |
| Item Weight | 1.6 Ounces |
| Manufacturer | Koss |
| Model Name | KSC21 |
| Model Number | KSC21 |
| Noise Control | None |
| Number of Items | 1 |
| Sensitivity | 101 dB |
| Series Number | 21 |
| Specific Uses For Product | Sports and Exercise |
| Style Name | Sporty |
| Subject Character | no character |
| Theme | No Theme |
| UPC | 021299175545 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** Koss
- **Colour:** black
- **Ear placement:** Open Ear
- **Form factor:** On Ear
- **Impedance:** 26 Ohms

## Images

![Koss KSC21 17.8 x 7.6 1.9 cm ; 45.4 g Sportclip Clip-On Headphones (3.5 mm Jack) for iMac/Laptop/iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black, Wired - Image 1](https://m.media-amazon.com/images/I/61F8pZ7PfoL.jpg)
![Koss KSC21 17.8 x 7.6 1.9 cm ; 45.4 g Sportclip Clip-On Headphones (3.5 mm Jack) for iMac/Laptop/iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black, Wired - Image 2](https://m.media-amazon.com/images/I/51Zyr6c-YUL.jpg)
![Koss KSC21 17.8 x 7.6 1.9 cm ; 45.4 g Sportclip Clip-On Headphones (3.5 mm Jack) for iMac/Laptop/iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black, Wired - Image 3](https://m.media-amazon.com/images/I/81Gea+w6lAL.jpg)
![Koss KSC21 17.8 x 7.6 1.9 cm ; 45.4 g Sportclip Clip-On Headphones (3.5 mm Jack) for iMac/Laptop/iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black, Wired - Image 4](https://m.media-amazon.com/images/I/81kDsH9zBbL.jpg)

## Available Options

This product comes in different **Size, Product Packaging** options.

## Frequently Bought Together

- Koss KSC21 SportClip Clip-On Headphones,Black
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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-09-11*