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 setup.Supports formats like 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 built-in digital signal conversion chip, perfect for connecting various interface devices. With RAC audio/3.5mm audio output, this adapter allows you to enjoy your favorite music on any device. It also supports U disk playback, making it convenient to listen to your stored music files. The best part is that 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 in 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 any interruptions. 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 Response Range: 10Hz-20kHzSignal-to-noise Ratio: 110dBDistortion Noise: 0.02%Bluetooth-compatible Version: 5.1Effective Distance: 20Performance: HiFi LevelSupport: 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", W: 5cm/1.97", H: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Adapter