⚠️ Important Notice: Mode Switching via Dual 3.5mm Jacks & Power Requirements

1. Hardware Jack Mode Switching: Modes are switched by plugging your 3.5mm audio cable into the designated port:
   • Transmitter Mode (TX - Blue LED): Insert cable into the TRANSMIT port to stream audio from a TV, projector, or MP3 player to Bluetooth headphones or speakers.
   • Receiver Mode (RX - Red LED): Insert cable into the RECEIVE port to stream music from your smartphone or tablet to wired speakers, vintage stereos, or car aux systems.
2. Center Button Function: The round button on the top is a Play / Pause button; it does not toggle between Transmit and Receive modes.
3. Computer Direct USB Mode: When plugged into a computer or laptop USB port in Transmitter mode, it transmits digital audio directly through USB—no 3.5mm audio cable is required. (For TVs and projectors, the 3.5mm cable is required).
4. Continuous USB Power Required: This adapter does not contain an internal battery and must remain plugged into a powered USB port or standard 5V USB wall charger to operate.

Product Overview

Upgrade your home entertainment and car audio systems with this versatile Bluetooth 5.0 2-in-1 Transmitter and Receiver. Engineered with dedicated dual 3.5mm aux jacks for foolproof mode selection, it allows you to beam TV audio wirelessly to Bluetooth headphones late at night, or breathe wireless life into vintage home stereos, wired desktop speakers, and car sound systems with high-fidelity, low-latency Bluetooth 5.0 streaming.

Key Features

• 2-in-1 TX & RX Capability: Seamlessly functions as either a wireless audio transmitter (TX) or receiver (RX) to modernize any analog or non-Bluetooth audio gear.
• Dual-Jack Visual Mode Indicators: Distinct blue LED indicator for Transmitter mode and red LED indicator for Receiver mode provide instant visual status confirmation.
• Computer Driverless USB Audio: Transmits crystal-clear computer audio over USB in TX mode without requiring a 3.5mm patch cable or driver installation.
• Bluetooth 5.0 + EDR: Delivers robust wireless connectivity, faster pairing, and clean audio streaming across an operational range of up to 10 meters (33 feet).
• Integrated Play/Pause Control: Convenient center button enables quick music playback control right from the dongle.
• Compact Thumb-Sized Body: Measuring just 42mm x 25mm x 11mm, it plugs unobtrusively into car consoles, behind TVs, or desktop setups.

Compatible Devices

Transmitter Mode (TX): Compatible with TVs, desktop PCs, laptops, projectors, MP3 players, and CD players (streaming to Bluetooth headphones, earbuds, and Bluetooth speakers).
Receiver Mode (RX): Compatible with smartphones and tablets (streaming to car stereos, home theater stereos, wired desktop speakers, amplifiers, and wired headphones). (Note: Compatible with standard 3.5mm aux audio interfaces; list is not exhaustive).

Common Daily Applications

• Streaming late-night movie or gaming audio from your TV/PC to Bluetooth headphones without disturbing sleeping family members.
• Playing navigation audio and smartphone playlists through your car stereo aux input.
• Upgrading legacy home stereos, bookshelf speakers, or soundbars to accept wireless music from smartphones.
• Adding wireless headphone connectivity to desktop computers and projectors.

Specifications

Frequently Asked Questions FAQ

Q: How do I switch between Transmitter and Receiver modes?
Yes, switching is simple: insert the 3.5mm audio cable into the "TRANSMIT" port for transmitter mode (blue LED), or into the "RECEIVE" port for receiver mode (red LED).

Q: Does it require an audio cable when connected to a computer?
Yes, when plugged into a PC or laptop USB port in transmitter mode, it transmits digital audio directly through the USB port without needing the 3.5mm aux cable.

Q: Does this Bluetooth adapter have a built-in battery?
No, it does not contain an internal battery. It must be plugged into any standard 5V USB port or USB charger to stay powered during use.

Q: Can I use this adapter in my car?
Yes, plug the USB connector into your car USB port or car charger for power, plug the 3.5mm aux cable into the "RECEIVE" jack and your car aux input, and pair your phone to stream music wirelessly.