Bluetooth 5.0 Receiver Wireless 3.5mm AUX TF Card RCA Audio Stereo Adapter Feature: 1.Super Stable Connection: Our Bluetooth audio adapter is fitted with a Bluetooth 5.0 chip for steady pairing, fast transmission and a wide signal range (33 feet). With the 3.5mm AUX port and 2 RCA port, it can be connected to non-Bluetooth car audio systems, home stereo, wired headphone/speaker, Amplifier/Home Theater.etc. Then you can enjoy wireless Hi-fi music streaming! Note: It's a VAORLO Bluetooth receiver only, not a transmitter. So you couldn't use it for your TV, keyboard, mouse..