Adapter with built-in digital signal conversion chip for connecting to various interface devices. Supports RAC audio /3.5mm audio output and U disk playback. Driver-free plug-and-play functionality for easy installation. Supports formats such as WAV, WMA, APE, FLAC, MP3, etc. for versatile audio playback. Smart Bluetooth-compatible 5.1 technology and multi-protocol transmission, ensuring faster and more stable connections with lossless transmission and live-level sound quality. Introducing our high-performance adapter with a built-in digital signal conversion chip, perfect for connecting various interface devices. With RAC audio /3.5mm audio output, this adapter lets you enjoy your favorite music on any device. It also supports U disk playback, making it convenient to listen to your stored music files. Best of all, this adapter is driver-free and plug-and-play, ensuring a hassle-free setup experience. It supports a wide range of formats including WAV, WMA, APE, FLAC, MP3, and more, so you can enjoy your music in the format of your choice. Equipped with smart Bluetooth-compatible technology, this adapter is compatible with 5.1 and supports multi-protocol transmission for faster and more stable connections. Experience lossless transmission and live-level sound quality with zero delay when listening to songs. With a barrier-free transmission range of up to 20 meters and an external antenna for a stable signal, you can enjoy your music without interruption. Say goodbye to latency issues and enjoy seamless audio streaming. Upgrade your audio experience with our adapter today Perfect for music enthusiasts who value convenience and superior sound quality. Item Name: Adapter Material: ABS Frequency Range: 10Hz-20kHz Signal-to-Noise Ratio: 110dB Distortion Noise: 0.02% Bluetooth-compatible Version: 5.1 Effective Distance: 20 Performance: HiFi Level Support: A 2DP /AVRCPU Disk Supported Formats: WAV.WMA.APE.FLAC.MP3, Etc. Features: Multiple Interfaces, Plug-and-Play, Lossless Transmission Size Details: L: 9cm /3.54 "