---
product_id: 445310360
title: "KASTWAVE Mini Speaker, Portable Speaker built-in 3.5mm Aux Audio Jack Plug, HD Stereo Sound Rechargeable Outdoor Speaker for iPad/Smart Phone/Computer"
brand: "kastwave"
price: "€ 20.27"
currency: EUR
in_stock: true
reviews_count: 3
category: "Kastwave"
url: https://www.desertcart.es/products/445310360-kastwave-mini-speaker-portable-speaker-built-in-3-5mm-aux
store_origin: ES
region: Spain
---

# Ultra-Compact & Clip-Ready 360° HiFi Stereo Sound 5-Hour Battery Life @ 50% Volume KASTWAVE Mini Speaker, Portable Speaker built-in 3.5mm Aux Audio Jack Plug, HD Stereo Sound Rechargeable Outdoor Speaker for iPad/Smart Phone/Computer

**Brand:** kastwave
**Price:** € 20.27
**Availability:** ✅ In Stock

## Summary

> 🎵 Small Speaker, Big Sound, Zero Limits!

## Quick Answers

- **What is this?** KASTWAVE Mini Speaker, Portable Speaker built-in 3.5mm Aux Audio Jack Plug, HD Stereo Sound Rechargeable Outdoor Speaker for iPad/Smart Phone/Computer by kastwave
- **How much does it cost?** € 20.27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/445310360-kastwave-mini-speaker-portable-speaker-built-in-3-5mm-aux)

## Best For

- kastwave enthusiasts

## Why This Product

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

## Key Features

- • **All-Day Music Companion:** 180mAh rechargeable battery powers up to 5 hours at half volume—perfect for work, travel, or outdoor adventures.
- • **Plug & Play Versatility:** Compatible with laptops, smartphones, tablets, and more via AUX—no Bluetooth needed, no fuss.
- • **Pocket-Sized Portability:** Lightweight and compact with durable hooks—clip it to your backpack or bike and never miss a beat.
- • **Seamless Audio On-The-Go:** Built-in 3.5mm AUX cable hides away for zero hassle and instant plug-in anywhere.
- • **Immersive 360° Sound Experience:** DSP-enhanced stereo with bass boost delivers rich, room-filling audio from a palm-sized powerhouse.

## Overview

The KASTWAVE Mini Speaker is a compact, portable audio device featuring a cleverly hidden 3.5mm AUX cable for effortless connectivity. It delivers 360° HiFi stereo sound with DSP bass enhancement, powered by a rechargeable 180mAh battery offering up to 5 hours of playback at moderate volume. Designed for active lifestyles, it includes sturdy hooks for easy attachment to backpacks or bikes, making it an ideal companion for outdoor and indoor use with a wide range of devices.

## Description

Mini Speaker, Portable Speaker built-in 3.5mm Aux Audio Jack Plug, HD Stereo Sound Rechargeable Outdoor Speaker for iPad/Smart Phone/Computer 🎶 - Our speaker is smallThe speaker is portable, so the volume is very low and the weight is very light. It's only the size of the center of your palm. You can even put it in your pocket like a cellphone. You won't even feel any weight.🎶 - Special design for hiding audio cablesThere is a groove design on the bottom of our speaker. It is specially designed to hide the audio cable that came with it. If you think the cable is redundant , you can insert the audio cable into the groove and put it down. Once you have to use it, just take it out. Very easy to use. SpecificationsMaterial: ABSSize: Approx. 52×52×38mm / 2.0×2.0×1.5inImpedance: 4 (Ω)Distortion: 0.5 (%)Frequency response range:200-20K (Hz)Sensitivity SNR:≥ 89db (dB)Speaker Unit size:3.5 (mm)Carrying power:2.2WBattery capacity:180mahColor:BlackPackage weight:78g Package Included1 * Speaker1 * USB Charging Cable NoteThis product does not support Bluetooth.

Review: Very bad quality - After open for 4-5 times they break. Battery last for i hour maximum. Very bad quality
Review: Too small. Don't buy - Pathetic. Too small

## Features

- 🎶 - 【Unique Design】Through careful design, our products hide the built-in 3.5mm AUX audio cable in the wireless bluetooth speaker, so there is no need to worry about finding the audio cable.
- 🎶 - 【HiFi Stereo Sound Quality】 Portable Bluetooth speaker with powerful 360° surround sound effect, DSP intelligent sound processing, digital algorithm, automatically enhance the bass, simulate the stereo effect.
- 🎶 - 【Mini Portable Speaker】 Portable and compact design, easy to grasp with one hand, with strong and exquisite hooks, the speaker can be hung on backpacks, bicycles, tents, branches or walls at any time, such as hiking, climbing, camping, indoor, outdoor , You can enjoy your own music anytime, anywhere.
- 🎶 - 【Long-lasting Battery Life】 The 180mAh lithium battery after being fully charged, the 1/2 volume can last for 5 hours uninterrupted, allowing you to keep music day and night during travel, work, recreation, and outdoor sports.
- 🎶 - 【Stable Transmission】Low voltage, low power consumption, power amplifier IC, pure sound quality, low distortion,Suitable for iPod, MP3, MP4, MP5, mobile phones, computers and other devices with a 3.5mm audio jack.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B1TXRS47 |
| Best Sellers Rank | #8,942 in Electronics ( See Top 100 in Electronics ) #206 in Portable Bluetooth Speakers |
| Colour | black |
| Compatible devices | Laptop, Smartphone, Tablet |
| Control method | App |
| Country of origin | China |
| Impedance | 4 Ohms |
| Included components | Speaker, USB Charging Cable |
| Is waterproof | false |
| Manufacturer | KASTWAVE |
| Manufacturer reference | NA6237 |
| Material | Down |
| Maximum range | 5 Meters |
| Number of Items | 1 |
| Package Dimensions | 11.5 x 8.6 x 4.6 cm; 50 g |
| Power source | Battery Powered |
| Recommended uses for product | For Computers, For Music Players, For Surround Sound Systems |
| Speaker size | 3.5 Millimeters |
| Speaker type | Surround Sound |
| Special features | Bass Boost, Hi Res Audio, Multi Room Audio, USB Port |
| Surround sound channel configuration | 2 |
| Wireless communication technologies | Auxiliary |

## Product Details

- **Audio output mode:** Stereo, Surround
- **Brand:** KASTWAVE
- **Connectivity technology:** Auxiliary
- **Frequency response:** 20000 Hz
- **Mounting type:** Tabletop

## Images

![KASTWAVE Mini Speaker, Portable Speaker built-in 3.5mm Aux Audio Jack Plug, HD Stereo Sound Rechargeable Outdoor Speaker for iPad/Smart Phone/Computer - Image 1](https://m.media-amazon.com/images/I/61M7CZNLLWL.jpg)

## Customer Reviews

### ⭐ Very bad quality
*by A***U on 13 September 2023*

After open for 4-5 times they break. Battery last for i hour maximum. Very bad quality

### ⭐ Too small. Don't buy
*by A***Y on 28 April 2025*

Pathetic. Too small

### ⭐⭐⭐ Okay speaker
*by S***E on 31 December 2024*

You get what you pay for. It’s not the loudest, but the sound quality is fine and the battery is okay. However, My biggest issue is the cable length. it is very short.

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**Shop now:** [https://www.desertcart.es/products/445310360-kastwave-mini-speaker-portable-speaker-built-in-3-5mm-aux](https://www.desertcart.es/products/445310360-kastwave-mini-speaker-portable-speaker-built-in-3-5mm-aux)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-14*