iRV Technology iRV63 Car Stereo 3 Zones/7 Speaker Output 4x15W. Supports HDMI ARC/AM/FM/CD/DVD/MP3/MP4/Clock, providing digital 2.1 Stereo 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. This RV radio has USB port that uses on 5V charging for Android&Apple devices.