LccKaa Bluetooth 5.0 Transmitter Receiver – AUX & RCA Adapter

Go Wireless — Any Device, Any Direction

The LccKaa KN326 Bluetooth 5.0 Audio Adapter is the ultimate two-in-one wireless audio solution. Whether you want to stream music from your phone to wired speakers or send audio from a non-Bluetooth TV to wireless headphones, this compact dongle handles both jobs with a single switch flip. Made in Mainland China.

Two Modes, Endless Possibilities

• Transmitter (TX) Mode: Adds Bluetooth streaming capability to any device with a 3.5mm AUX or RCA output — TVs, CD players, home stereos, PCs. Pairs automatically with Bluetooth headphones or speakers.
• Receiver (RX) Mode: Lets your Bluetooth-enabled phone, tablet, or laptop send audio to wired speakers, headphones, or a stereo system. Also supports hands-free calling in RX mode — just press the button to answer.

Key Features

• Bluetooth 5.0 — stable, low-latency wireless connection up to 10m / 33ft
• 2-in-1 design — one simple toggle switch to change between TX and RX modes
• Universal connectivity — works via 3.5mm AUX jack or RCA (cables included)
• Ultra-portable — just 44 × 44 × 12mm and 18g; slips into any bag effortlessly
• Built-in 200mAh Li-Polymer battery — fully charged in ~2 hours via Micro USB
• LED status indicators — blue light = RX mode; red light = TX mode
• Broad compatibility — car stereos, TVs, PCs, laptops, MP3 players, CD players, speakers, and headphones
• CE certified for quality assurance

Technical Specifications

What's in the Box

• 1× Bluetooth 5.0 Audio Transmitter/Receiver Adapter (KN326)
• 1× Micro USB Charging Cable
• 1× RCA Cable
• 1× 3.5mm AUX Cable
• 1× User Manual

How to Use

RX (Receiver) Mode: Toggle to RX (blue LED). Plug the AUX or RCA cable from the KN326 into your wired speaker or headphones. On your phone or tablet, search Bluetooth for "KN326" and pair. Once paired, blue light flashes once every 3 seconds.

TX (Transmitter) Mode: Toggle to TX (red LED). Plug the AUX or RCA cable from your TV, stereo, or PC audio output into the KN326. It will automatically search for and pair with your Bluetooth headphones or speaker. Once paired, red light flashes once every 3 seconds.

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Frequently Asked Questions

Q: Can the LccKaa KN326 Bluetooth adapter work with a TV that has no Bluetooth?

A: Yes! In Transmitter (TX) mode, the KN326 connects to your TV's 3.5mm AUX or RCA audio output and wirelessly streams sound to any Bluetooth headphones or speakers — no built-in Bluetooth required on the TV.

Q: How do I switch between Transmitter and Receiver mode on the KN326?

A: Simply use the physical toggle switch on the device. Slide it to TX for transmitter mode (red LED) or RX for receiver mode (blue LED). No apps or software required.

Q: How long does the battery last on the Bluetooth 5.0 audio adapter?

A: The built-in 200mAh Li-Polymer battery takes approximately 2 hours to fully charge via the included Micro USB cable. Actual battery life varies depending on use and signal conditions.

Q: Is the LccKaa KN326 compatible with car stereos?

A: Yes. If your car stereo has a 3.5mm AUX input or RCA inputs, the KN326 can be used in Receiver (RX) mode to stream music wirelessly from your phone to your car audio system.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.