Multifunctional Interface: This bluetooth adapter for speakers supports RCA / 3.5mm jack / digital optical outputs and a USB drive port to play music. Which is compatible with 99% of speakers, old AV receivers, car stereos, and home stereos.It meets the use of various audio scenarios and allows you to enjoy high quality music anytime and anywhere.Easy to Set Up: All you need to do is connect the Bluetooth audio adapter to your home stereo system via cable, connect the type-c power cord, turn it on, and pair it with your Bluetooth audio device to play music.Bluetooth 5.3 Receiver: This Bluetooth adapter utilizes the latest Bluetooth 5.3 technology and is equipped with the latest wireless codecs for HIFI HD sound performance, provides wireless audio streaming that is consistently clear with virtually no lag or degradation in sound quality. Restore sound details for a comfortable and smooth audio experience.Long Range Wireless:The Bluetooth stereo receiver also gives you up to 33 feet of range, and stable transmission, so that you can move around your house freely without loss of connection. This Bluetooth to RCA audio adapter has no battery inside, connect the power supply before use.Bluetooth Adapter for Home Steero: The Stereo Bluetooth Receiver transfers music from your smartphone/tablet/other Bluetooth devices to your home stereo/speakers/car stereo system via Bluetooth and provides you with excellent sound quality. This adapter is a Bluetooth receiver only, not a transmitter.