Bluetooth 5.3 Audio Transmitter and Receiver Adapter with Remote Control Upgrade your existing audio equipment with this versatile Bluetooth 5.3 adapter, designed for both transmitting and receiving quality sound. Combining advanced technology with practical features, this device enhances compatibility, improves signal stability, and adds modern wireless capabilities to older audio systems. Key Features and Benefits: Advanced Bluetooth 5.3 chip ensures faster pairing, stronger compatibility, and stable signal transmission with minimal lag. Fourinone design integrates Bluetooth receiving (RX), Bluetooth transmitting (TX), microphone input for singing, and mobile phone charging. Reliable way to upgrade older speakers, amplifiers, TVs, computers, and similar devices with Bluetooth functionality. Transmit mode supports original Apple AirPods for seamless wireless audio. Bluetooth Receiver Mode (RX): Connects easily with mobile devices such as smartphones and tablets via Bluetooth to stream audio directly to nonBluetooth speakers or amplifiers. Makes traditional audio equipment function like modern Bluetoothenabled devices without changing your setup. Bluetooth Transmitter Mode (TX): Works with TVs, computers, TV boxes, gaming consoles (PS, Switch), and DAC converters to send audio wirelessly to Bluetooth headphones or speakers. Supports conversion from digital optical or coaxial audio to RCA, 3.5mm, or R/L analog audio outputs. Plays directly from U Disk storage with support for MP3, APE, FLAC, WAV, and WMA formats. (Note: Folder playback not supported.) Easy plugandplay operation, no driver installation required. Remote Control Operation: Includes IR remote control for convenient adjustments. Remote controls all functions except powering on; turn on via the rotary control knob and power off with the remote when desired. Practical Use Scenarios: 1. Connect the adapter to your living room TV in transmitter mode to enjoy movies wirelessly on Bluetooth headphones without disturbing others. 2. Use receiver mode to stream music from your smartphone to your vintage stereo system, combining classic sound with modern convenience. 3. Improve conference calls by connecting the adapter with a microphone to your existing office sound system for better audio clarity. Specifications: Bluetooth Version: 5.3 Modes: RX (Bluetooth Receiver), TX (Bluetooth Transmitter), Microphone input, USB charging output Input/Output: Digital optical, coaxial, RCA, 3.5mm jack, R/L analog Supported Formats: MP3, APE, FLAC, WAV, WMA Power: Rotary knob for on/off, IR remote for adjustments and power off For anyone looking to modernize their audio setup while maintaining compatibility with existing devices, this Bluetooth 5.3 transmitter and receiver adapter offers a complete solution in one compact, easytouse device.