<p>1. Bluetooth Audio Receiver, Supports AUX\/Optical\/Coaxial Interface\/U Disk\/Tf Card\/Microphone Rich Interface, Nfc Close Connection, Wireless Remote Control, Hifi Lossless Sound Quality, Bluetooth V5.3 Plug And Play Driver</p> <p>2. The Old-Fashioned Power Amplifier Instantly Has Bluetooth Function And Supports Optical Fiber Coaxial Port Output To The Power Amplifier Device To Experience The Fun Of Wireless Music.</p> <p>3. The for Original Sound With One Click And Sing Clearly Without Any Whistling.</p> <p>4. Rich Interfaces And Expanded Connections To Meet Different Devices, Supporting Aux\/Optical\/Coaxial Simultaneous Audio Output</p> <p>5. Listen To High-Quality Songs Without Delay, Restore High-Fidelity Stereo Sound Quality, Stable Transmission Via Bluetooth 5.3, Plug-And-Play Usb Flash Drive</p> <p>Bluetooth Version:V5.3</p> <p>Audio Decoding:</p> <p>Bluetooth Protocol Support:A2DP\/AVRCP</p> <p>File Format:MP3\/WAV\/WMA\/FLAC\/APE</p> <p>Frequency Range:2400MHz-2483.5MHz</p> <p>Frequency Response:20Hz-20KHz</p> <p>Output Load:16-320ohm Adaptive</p> <p>Transmission Distance:10-30m (Open Space)</p> <p>Audio Input:Bluetooth Audio USB TF</p> <p>Output:Aux Optical Audio Coaxial Audio</p> <p>Power Supply Interface:USB-C 5V</p> <p>Note:The picture is a high-definition rendering, Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use.</p> <p>Colour:As Shown</p> <p>Material:ABS+Plastic</p> <p>Package Contents:</p> <p>1 * Bluetooth 5.3 Receiving And Transmitting Adapter</p> <p>1 * Charging Cable</p> <p>1 * 3.5 Audio Cable</p> <p>1 * Lotus Wire</p> <p>1 * Remote Control</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>