iRV Technology iRV62 Car Stereo 2 Zones/4 Speaker Output 4x15W. Supports HDMI/ARC/AM/FM/CD/DVD/MP3/MP4/Clock, providing digital 2.1 Surround Sound-optical SPDIF Audio Input. Bluetooth 5.0 makes it easier than ever for users to connect their smart device to their stereo. This RV stereo has a built in clock that can display the time in any mode. USB port is used on 5V charging for Android&Apple devices.