Besign BE-RX Long Range Home HD Bluetooth Music Receiver, Wireless Audio Adapter for Music Streaming, Support Optical, Coaxial & 3.5mm Audio Bluetooth 4.1 Thanks to the Bluetooth 4.1, Besign BE-RX could connect wirelessly to any Bluetooth-enabled device and deliver CD-like quality sound , so you can stream music and control playlists directly from smartphones, iPhones, iPads, and more. Works with all your wired speakers BE-RX Bluetooth Music Receiver offers several ways to connect to your home stereo system or stand-alone speakers, including a digital coaxial audio out, a digital optical audio out, and a traditional 3.5-millimeter-to-RCA connection. Long-range wireless Thanks to the bluetooth V4.1 technology and external antenna, you could control your music with a reliable long range connection from your speakers. Don’t compromise on sound and deliver high-quality acoustics for all your music, movies and games. Powered by Micro-USB The Besign BE-RX uses a Micro-USB jack for power; use it with the included wall adapter, or any compatible wall adapter, then you could enjoy your wireless music for continuesly playing.