CB.GUMA005 is a car media converter board from Cbouns. It is a convenient car audio streaming device that can be used for both in-vehicle listening and remote audio playback. This device is an innovative product which not only provides powerful audio conversion capabilities but also includes Wi-Fi, Bluetooth, and Ethernet connectivity. With CB.GUMA005, you can easily turn your car's audio system into a wireless home audio system. This device converts incoming audio sources such as your phone, tablet, PC, or laptop into a car stereo system with the push of a button. It also supports multiple audio formats, making it perfect for streaming music, podcasts, and audio books. It is also compatible with both Android and iOS devices.