{"product_id":"bluetooth-5-4-audio-adapter-with-3-5mm-aux-interface-a-black-bluetooth-sound-receiver-and-transmitter-compatible-with-headphones-speakers-and-car-audio-systems-offering-10-metre-range-and-10-hour-playback","title":"Bluetooth 5.4 audio adapter with 3.5mm aux interface, a black Bluetooth sound receiver and transmitter compatible with headphones, speakers, and car audio systems offering ≤10 metre range and 10-hour playback.","description":"\u003ch1\u003eBluetooth 5.4 Audio Adapter: Wireless Receiver and Transmitter with 3.5mm Aux Interface\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black Bluetooth 5.4 audio adapter with a 3.5mm aux plug for wireless sound receiving and transmitting.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US03\/754\/2025-10-03\/original-image\/1a29003e-5204-48ad-8aa5-3ecfddbe2e45_trans.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis compact black adapter bridges the gap between your legacy audio equipment and modern wireless convenience. By plugging into any standard 3.5mm auxiliary port, it instantly adds Bluetooth 5.4 connectivity to car stereos, home hi-fi systems, wired headphones, and portable speakers. It functions dually as a receiver, streaming audio from your smartphone, and as a transmitter, sending audio from a wired source to your Bluetooth headphones or speakers. With a practical wireless range of up to 10 metres, support for high-quality AAC and SBC audio codecs, and a built-in microphone with noise reduction for clearer calls, it is designed for straightforward, universal audio enhancement without replacing your existing gear.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black Bluetooth 5.4 audio adapter with a 3.5mm aux plug for wireless sound receiving and transmitting.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US03\/754\/2025-10-03\/original-image\/343a16f4-e213-4fac-9ea7-234e92f5a09c_trans.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis adapter’s core utility lies in its dual-mode operation and compatibility, enabled by its specific technical specifications and physical design.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe adapter’s casing is constructed from ABS plastic, a material chosen for its balance of sturdiness and light weight, making the device durable enough for daily use and portable for travel. The black finish offers a neutral look that suits most environments. Its compact form factor is centred around the flexible 3.5mm audio plug, ensuring a secure connection to a wide variety of audio devices without adding bulk or requiring external power from the host device, as it is powered by its internal battery.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eWhile exact physical dimensions are not specified, the product description emphasises a lightweight and portable design intended to be carried around easily. The key practical measurement is its wireless performance: the Bluetooth 5.4 solution provides a stable connection within a range of ≤10 metres (approximately ≤33 feet) in both receiving and transmitting modes. This makes it suitable for use in a car, at a desk, or in a typical living room setting, allowing you some freedom of movement without losing the audio signal.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black Bluetooth 5.4 audio adapter with a 3.5mm aux plug for wireless sound receiving and transmitting.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US03\/754\/2025-10-03\/original-image\/5efb95fb-1907-4328-9316-53e8510695ea_trans.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe universal 3.5mm interface opens up numerous applications, transforming any audio device with a headphone or auxiliary input into a wireless-capable unit.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eFor presentations or events where wired connections are cumbersome, this adapter can wirelessly stream audio from a laptop or tablet to a PA system or larger speaker via the aux input. Its transmitter mode is equally useful for sound engineers or fitness instructors who need to monitor audio from a mixing desk or music player privately through Bluetooth headphones without trailing cables. The 10-hour battery life in receiving mode supports extended use, and the high-definition noise reduction improves voice clarity during conference calls or live commentary.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eAt home, it’s an ideal solution for upgrading an older car stereo, allowing for hands-free calls and music streaming from a smartphone. It can also breathe new life into a favourite pair of wired headphones or a non-Bluetooth kitchen radio, adding wireless convenience. The dual functionality means one adapter can serve multiple purposes: receiving music from a phone on a home stereo in the evening, then transmitting audio from a TV to Bluetooth headphones for late-night viewing without disturbing others.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black Bluetooth 5.4 audio adapter with a 3.5mm aux plug for wireless sound receiving and transmitting.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US03\/754\/2025-10-03\/original-image\/61daa9bd-b4aa-49bf-8a63-b4f2661733cc_trans.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe value of this adapter stems from its versatility, the longevity of its battery, and the quality of its wireless connection, as defined by its specifications.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eThis product extends the useful life of existing audio equipment, promoting reuse over replacement. Maintenance is minimal: the integrated 180mAh lithium battery requires a full charge of approximately 2 hours, after which it delivers up to 10 hours of continuous playback in receiver mode or 8 hours in transmitter mode. There are no complex drivers to install or specialised apps required; it operates as a simple plug-and-play device, with care involving little more than keeping it charged and within its effective range.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eChoosing this Bluetooth adapter is justified by its precise feature set. The Bluetooth 5.4 chipset offers improved stability and efficiency over older versions. The explicit support for both AAC and SBC audio decoding ensures better sound quality compatibility with Apple and Android devices. The clearly stated 10-metre operational range and 10-hour battery life provide concrete expectations for performance. Unlike a single-function device, its ability to work as both a receiver and a transmitter offers two solutions in one compact unit, making it a pragmatic choice for users with multiple wired audio devices they wish to modernise.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black Bluetooth 5.4 audio adapter with a 3.5mm aux plug for wireless sound receiving and transmitting.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US03\/754\/2025-10-03\/original-image\/7ef3497a-c387-431e-b68f-307f2aa62b45_trans.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black Bluetooth 5.4 audio adapter with a 3.5mm aux plug for wireless sound receiving and transmitting.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US03\/754\/2025-10-03\/original-image\/88959643-84b0-43f6-b868-748f073a83d8.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black Bluetooth 5.4 audio adapter with a 3.5mm aux plug for wireless sound receiving and transmitting.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US03\/754\/2025-10-03\/original-image\/ae5e7dc4-978e-407d-9071-09c61b2eaff1.webp\"\u003e\u003c\/div\u003e","brand":"test3335pja0yxkp0","offers":[{"title":"Black","offer_id":59777796014414,"sku":"CJYD247014501AZ","price":20.98,"currency_code":"GBP","in_stock":true},{"title":"Audio adapter","offer_id":59777796047182,"sku":"CJYD247014502BY","price":13.98,"currency_code":"GBP","in_stock":true},{"title":"Black audio and adapters","offer_id":59777796079950,"sku":"CJYD247014503CX","price":21.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/6926\/7790\/files\/5efb95fb-1907-4328-9316-53e8510695ea_trans.webp?v=1780289189","url":"https:\/\/ru7j1y-ya.myshopify.com\/products\/bluetooth-5-4-audio-adapter-with-3-5mm-aux-interface-a-black-bluetooth-sound-receiver-and-transmitter-compatible-with-headphones-speakers-and-car-audio-systems-offering-10-metre-range-and-10-hour-playback","provider":"AuraZen.uk","version":"1.0","type":"link"}