CB.GUMA004 is a Carmedia car audio system unit, manufactured in China by the company of Carmedia. The model CB.GUMA004 offers a 7-inch touchscreen as a display. It supports CarPlay/Android Auto and can be connected with a wide array of digital music sources through Bluetooth, USB, line-in and RCA. It features a built-in FM/AM radio and is also compatible with CUSTOM OE and aftermarket devices such as rearview cameras, GPS navigation, and climate systems. The unit also has the ability to connect to smartphones for hands-free communication. The unit is power by a reliable quad-core CPU, 1GB RAM and 8GB ROM, allowing for a great user experience. In addition, the unit is protected by a robust aluminum shell, ensuring its durability to last for years.