---
product_id: 664829368
title: "CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts"
brand: "cooljumper"
price: "€ 185.48"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/664829368-cooljumperultra-open-ear-headphones-bone-conduction-earphones-wireless-bluetooth-5
store_origin: SK
region: Slovakia
---

# Open-Air Design Bluetooth 5.4 40 Hours Playtime CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts

**Brand:** cooljumper
**Price:** € 185.48
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate Your Sound, Elevate Your Life!

## Quick Answers

- **What is this?** CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts by cooljumper
- **How much does it cost?** € 185.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/664829368-cooljumperultra-open-ear-headphones-bone-conduction-earphones-wireless-bluetooth-5)

## Best For

- cooljumper enthusiasts

## Why This Product

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

## Key Features

- • **Stay Aware:** Engage with your environment while enjoying your favorite tunes—perfect for fitness and social settings.
- • **Immersive Sound:** Enjoy deep bass and crystal-clear conversations with advanced 16.3mm dynamic drivers.
- • **Extended Playtime:** With 40 hours of total playback, your music journey never has to end.
- • **Unmatched Comfort:** Experience the freedom of open-ear design that keeps you comfortable during long listening sessions.
- • **Seamless Connectivity:** Bluetooth 5.4 ensures a fast, reliable connection up to 33 feet, making your listening experience effortless.

## Overview

The CoolJumperUltra Open Ear Headphones are wireless bone conduction earphones featuring Bluetooth 5.4 technology, designed for comfort and awareness. With a waterproof rating, deep bass, and a total of 40 hours of playtime, they are perfect for fitness enthusiasts and professionals alike.

## Description

CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts

## Features

- Open-Air Design for Supreme Comfort - These wireless Bluetooth earphones sport a liberating open-back design, allowing your ears to revel in unrestricted freedom, shunning the oppressive seal of typical earbuds. Bid farewell to discomfort during prolonged use! Crafted with ingenuity, they exert minimal pressure on your ears while ushering in a refreshing breeze, keeping sweat at bay whether you're navigating city streets or tackling rugged terrain.
- Heightened Awareness - Stay attuned to your surroundings with open-ear headphones that seamlessly integrate life's symphony with your music. These Bluetooth earbuds embrace ambient sounds, your trusty companions in detecting potential dangers before they catch you off guard. Unlike traditional earbuds, you can engage in conversations without missing a beat, making them indispensable in social gatherings or professional settings.
- Immersive Stereo Pleasure & Crisp Conversations - Armed with 16.3mm dynamic drivers, these earpieces deliver an electrifying stereo experience that immerses you in the heart of your favorite melodies, unveiling even the subtlest musical details with breathtaking clarity. Instruments and vocals come alive like never before! But that's not all – their advanced drivers excel in capturing crystal-clear communication, ensuring every word is conveyed with pristine precision.
- Up to 40 Hours of Musical Exploration: These Bluetooth marvels house a robust lithium battery fortified with Energy Lock technology, guaranteeing a staggering 10 hours of uninterrupted playtime per charge. And when the music stops, the fun doesn't have to – with the charging case in tow, revel in an additional 30 hours of sonic bliss, totaling a remarkable 40 hours of playback. Plus, with rapid charging technology, just 5 minutes on the charger grants you an hour of auditory delight.
- Cutting-edge Connectivity with Bluetooth 5.4: Propel yourself into the future with these open-ear wireless earbuds flaunting state-of-the-art Bluetooth 5.4 technology. Immerse yourself in lightning-fast data transfer speeds and a rock-solid connection that extends up to 33 feet. Experience seamless, low-latency audio from the moment you liberate them from their case, thanks to the ingenious auto-on and connect feature.

## Product Details

- **Brand:** CoolJumper
- **Colour:** Novelty Khaki
- **Ear placement:** Open Ear
- **Form factor:** Over Ear
- **Noise control:** Active Noise Cancellation, Hybrid Noise Cancellation
- **Model name:** Q16KHAKI
- **Connectivity technology:** Wireless
- **Wireless communication technology:** Bluetooth
- **Included components:** 1 x LED Charging Case, 2 x EUQQ Wireless Earbuds, 1 x Instruction Manual, 1 x USB-C Cable
- **Age range (description):** Adult

## Images

![CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts - Image 1](https://m.media-amazon.com/images/I/71TbkKvLUzL.jpg)
![CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts - Image 2](https://m.media-amazon.com/images/I/61rcA4189nL.jpg)
![CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts - Image 3](https://m.media-amazon.com/images/I/717m34G7SeL.jpg)
![CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts - Image 4](https://m.media-amazon.com/images/I/71aTShj686L.jpg)
![CoolJumperUltra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts - Image 5](https://m.media-amazon.com/images/I/61gKuR7wMBL.jpg)

## Available Options

This product comes in different **Colour Name, Size Name** options.

## Frequently Bought Together

- CoolJumper Ultra Open Ear Headphones - Bone Conduction Earphones Wireless Bluetooth 5.4, Waterproof Deep Bass Earbuds for Fitness and Running, Secure Fit for Small Ears, Sweat-Resistant for Workouts
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**Shop now:** [https://www.desertcart.sk/products/664829368-cooljumperultra-open-ear-headphones-bone-conduction-earphones-wireless-bluetooth-5](https://www.desertcart.sk/products/664829368-cooljumperultra-open-ear-headphones-bone-conduction-earphones-wireless-bluetooth-5)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-23*