---
product_id: 249169308
title: "TUNAI Firefly 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: "FREE"
currency: NOK
in_stock: false
url: https://www.desertcart.no/products/249169308-tunai-firefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio
store_origin: NO
region: Norway
---

# Auto On/Off World's smallest Bluetooth 4.2 TUNAI Firefly 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:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Streamline Your Sound Experience!

## Quick Answers

- **What is this?** TUNAI Firefly 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?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/249169308-tunai-firefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio)

## 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

Buy TUNAI Firefly 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) online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- Automatic On/Off

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01HXXJPWK |
| Additional Features | Automatic On/Off |
| Audio Input | 3.5mm AUX |
| Audio Output Mode | Stereo |
| Audio Output Type | auxiliary |
| Battery Type | Lithium-Ion |
| Best Sellers Rank | #108,961 in Electronics ( See Top 100 in Electronics ) #135 in Bluetooth Car Kits |
| Bluetooth support? | Yes |
| Brand | TUNAI |
| Color | Black |
| Compatibility Options | Home Stereo System, Speaker |
| Compatible Devices | Home Stereo System, Speaker |
| Compatible with Vehicle Type | Car |
| Connectivity Technology | AUX, Bluetooth, USB |
| Connector Type Used on Cable | Auxiliary |
| Control Method | Touch |
| Controller Type | Touch Control |
| Customer Reviews | 4.3 4.3 out of 5 stars (3,851) |
| Data Link Protocol | L2CAP |
| Enclosure Material | Aluminum |
| Hardware Interface | Bluetooth |
| Human Interface Input | Buttons |
| Includes Remote | No |
| Installation Type | plug-and-play |
| Item Dimensions L x W x H | 42L x 14W x 6H millimeters |
| Item Weight | 10 Grams |
| Manufacturer | TUNAI |
| Model Name | Firefly |
| Number of Channels | 2 |
| Outer Material | Aluminum |
| Power Source | Battery Powered |
| Rechargeable Battery Included | No |
| Supported Application | Any |
| Supported Media Type | MP3 |
| Supported Standards | Bluetooth 4.2 |
| UPC | 603658226008 |
| Wireless Compability | Bluetooth |

## Product Details

- **Brand:** TUNAI
- **Connectivity technology:** AUX, Bluetooth, USB
- **Material:** Aluminum
- **Power source:** Battery Powered
- **Special features:** Automatic On/Off

## Images

![TUNAI Firefly 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)

## 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.no/products/249169308-tunai-firefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio](https://www.desertcart.no/products/249169308-tunai-firefly-bluetooth-receiver-world-s-smallest-usb-wireless-audio)

---

*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-17*