---
product_id: 249169308
title: "TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black)"
brand: "tunai"
price: "333 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/249169308-tunaifirefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio-bluetooth
store_origin: PL
region: Poland
---

# Auto On/Off World's smallest Bluetooth 4.2 TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black)

**Brand:** tunai
**Price:** 333 zł
**Availability:** ✅ In Stock

## Summary

> 🎶 Streamline Your Sound Experience!

## Quick Answers

- **What is this?** TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black) by tunai
- **How much does it cost?** 333 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/249169308-tunaifirefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio-bluetooth)

## Best For

- tunai enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** The world's smallest USB audio adapter fits anywhere effortlessly.
- • **Hassle-Free Use:** Automatic on/off functionality means no more fumbling with buttons.
- • **Seamless Streaming:** Experience crystal-clear audio with Bluetooth 4.2 technology.
- • **No Charging Required:** Enjoy uninterrupted music streaming without the need for charging.
- • **Universal Compatibility:** Easily connects to any car or home stereo with a 3.5mm AUX input.

## Overview

The TUNAI Firefly Bluetooth Receiver is the ultimate solution for wireless audio streaming, featuring Bluetooth 4.2 technology, a compact design, and automatic on/off functionality, making it perfect for both car and home stereo systems.

## Description

TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black)

## Features

- Automatic On/Off

## Product Details

- **Special features:** Automatic On/Off
- **Brand:** TUNAI
- **Connectivity technology:** Bluetooth, USB, AUX
- **Power source:** Car's Electrical System
- **Material:** Aluminum

## Images

![TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black) - Image 1](https://m.media-amazon.com/images/I/61Oy-i96BZL.jpg)
![TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black) - Image 2](https://m.media-amazon.com/images/I/61+5XcF3dGL.jpg)
![TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black) - Image 3](https://m.media-amazon.com/images/I/71VGzaSlLVL.jpg)
![TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black) - Image 4](https://m.media-amazon.com/images/I/71d6-Amm8wL.jpg)
![TUNAIFirefly Bluetooth Receiver: World’s Smallest USB Wireless Audio Bluetooth 4.2 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Black) - Image 5](https://m.media-amazon.com/images/I/71S6w0idnXL.jpg)

## Frequently Bought Together

- TUNAI Firefly LDAC Bluetooth Adapter: Hifi Wireless Audio Bluetooth 5.0 Receiver with Audiophile USB DAC 3.5mm AUX for Car/Home Stereo Hi Res Music Streaming; Auto On, No Charging Needed
- Anker Car Charger, Mini Aluminum Alloy 24W Dual USB Car Charger, PowerDrive 2 Alloy Car Adapter with Blue LED for iPhone12/11/XR/Xs, iPad Pro/Air 2/mini, Galaxy (Not Compatible with Quick Charge)

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**Shop now:** [https://www.desertcart.pl/products/249169308-tunaifirefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio-bluetooth](https://www.desertcart.pl/products/249169308-tunaifirefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio-bluetooth)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-04-27*