--- product_id: 544175754 title: "TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey)" brand: "tunai" price: "1 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/544175754-tunai-firefly-bluetooth-receiver-world-s-smallest-wireless-audio-bluetooth store_origin: PL region: Poland --- # Auto On Compact Design Bluetooth 5.0 TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) **Brand:** tunai **Price:** 1 zł **Availability:** ✅ In Stock ## Summary > 🎉 Elevate Your Sound Game with Firefly! ## Quick Answers - **What is this?** TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) by tunai - **How much does it cost?** 1 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/544175754-tunai-firefly-bluetooth-receiver-world-s-smallest-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 - • **No Charging Needed:** Power on automatically with your engine or speaker activation. - • **Space-Saving Design:** Sleek and compact, perfect for any car or home setup. - • **Noise-Free Listening:** Built-in ground loop isolator eliminates unwanted noise for pure sound. - • **Seamless Connectivity:** Enjoy instant reconnection without the hassle of manual pairing. - • **Transform Your Audio Experience:** Easily convert any stereo system into a Bluetooth powerhouse. ## Overview The TUNAI Firefly Bluetooth Receiver is the world's smallest wireless audio adapter, designed to effortlessly transform your car and home stereo systems into Bluetooth-enabled speakers. With Bluetooth 5.0 technology, it offers seamless auto-reconnection, a built-in ground loop isolator for noise-free listening, and a compact design that fits perfectly in any space. Plus, it powers on automatically, eliminating the need for charging. ## Description Full description not available ## Features - Wireless Transformation Made Easy : Turn your home stereo and car audio systems into Bluetooth-enabled speakers with a simple plug. No charging required! FIREFLY powers on automatically with your engine or speaker activation. - Seamless Auto-Reconnection : Say farewell to manual pairing. FIREFLY instantly connects when Bluetooth is activated, automatically linking to the last device used. - Silence Ground Loop Noise : FIREFLY comes with a built-in ground loop isolator, ensuring no more hissing or humming sounds. Active this feature through the pin included for uninterrupted music enjoyment. - Sleek and Compact : Maintain a stylish and space-saving audio setup with FIREFLY's convenient compact design. (USB charger not included) ## Technical Specifications | Specification | Value | |---------------|-------| | Control Method | Touch | | Control Type | Button Control | | Human-Interface Input | Touchscreen | | Connector Type Used on Cable | Auxiliary | | Hardware Connectivity | Bluetooth | | Rechargeable Battery Included | No | | Power Source | Corded Electric | | Compatibility Options | Bluetooth A2DP-enabled devices | | Compatible Devices | Bluetooth A2DP-enabled devices | | Installation Method | Plug In | | Includes Remote | No | | Color | Grey | | Additional Features | Bluetooth Receiver,Compact,Usb Charger | | Item Dimensions L x W x H | 6.3"L x 0.5"W x 0.2"H | | Bluetooth support? | Yes | | Wireless Compability | Bluetooth | | Connectivity Technology | 3.5 mm AUX | | Audio Output Mode | Stereo | | Audio Input | 3.5 mm audio jack | ## Product Details - **Special Feature:** World’s Smallest Wireless Audio, Built-in Ground Loop Isolator - **Brand:** TUNAI - **Connectivity Technology:** 3.5 mm AUX - **Power Source:** Corded Electric - **Product Dimensions:** 6.3"L x 0.5"W x 0.2"H ## Images ![TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) - Image 1](https://m.media-amazon.com/images/I/51vz6NIqcVL.jpg) ![TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) - Image 2](https://m.media-amazon.com/images/I/71VPak1-BZL.jpg) ![TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) - Image 3](https://m.media-amazon.com/images/I/61S3-k1brxL.jpg) ![TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) - Image 4](https://m.media-amazon.com/images/I/61v1QYZrxEL.jpg) ![TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) - Image 5](https://m.media-amazon.com/images/I/710SHrtETPL.jpg) ## Frequently Bought Together - TUNAI Firefly Bluetooth Receiver: World’s Smallest Wireless Audio Bluetooth 5.0 Adapter with 3.5mm AUX for Car/Home Stereo Music Streaming; Auto On, No Charging Needed - Car Kit (Grey) - Anker 320 Car Charger (24W II), Mini Aluminum Alloy Dual USB with Blue LED for iPhone15 14 13 12 Series, iPad Pro/Air 2/Mini, Galaxy and More - Not Compatible with Quick Charge - Anker USB-C Car Charger, 30W 2-Port Type-C Car Adapter, iPhone Car Charger with Power IQ 3.0, for iPhone 16/15/14/13/12 Series, Samsung Galaxy S25/S24/S23/S22/S21 Series, iPad Pro, AirPods, and More --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/544175754-tunai-firefly-bluetooth-receiver-world-s-smallest-wireless-audio-bluetooth](https://www.desertcart.pl/products/544175754-tunai-firefly-bluetooth-receiver-world-s-smallest-wireless-audio-bluetooth) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-03*