Upgrade your sound system with this HD Bluetooth adapter! Enjoy high-fidelity wireless music by adding Bluetooth connectivity to your vintage home stereo, AV receiver, or powered speakers. Easy to set up: Simply connect to your existing system and stream high-definition audio wirelessly from your smartphone, tablet, or computer in seconds. Experience true high-resolution audio with analog RCA and digital output options (optical and coaxial). Extended wireless range: Enjoy a stable connection up to 15 meters, even through walls, thanks to a specialized circuit design and external antenna. Upgrade your conventional audio setup to wireless with dual AUX and RCA outputs, USB drive input for decoding playback, and microphone input. Universally compatible with mobile phones, tablets, computers, TVs, stereos, amplifiers, projectors, and other input sources for seamless wireless transmission.