Bluetooth Audio Adapter: Besign BE-RCA could turn your wired speakers into Bluetooth capable, then connect wirelessly to any Bluetooth-enabled device and deliver CD-like quality sound , so you can stream music and control playlists directly from Bluetooth audio enabled computer, smartphones, and Tablets. Bluetooth 5.0: this Bluetooth Audio Adapter is with latest Bluetooth 5.0 technology to delivers the superior sound quality. You could have an excellent listening experience with crystal clear, high fidelity music for room filling sound.