Dual decoding supports MP3 WMA WAV FLAC APE lossless format music for broad compatibility and playback. Sixbutton multidirectional control includes VOL PAUSE VOL REPEAT EQ MODE for easy ondevice operation. Microphone interface and linein provide flexible input options. Supports external audio source input line in. Infrared remote control operation works at a distance of up to 10 meters. Power output is 2 x 25W, allowing two 25W speakers to be connected at the same time. Speaker size is not limited. FM radio supports the frequency band 87.5 MHz to 108.0 MHz. Bluetooth function is supported with Bluetooth version 5.0. The unit includes a poweroff memory function and a color screen digital display. Use scenarios Home entertaining and multimedia playback: connect two speakers for roomfilling sound, switch between Bluetooth and FM radio, and control playback with the sixbutton keypad or remote control. Small gatherings or performances: use linein for external audio sources or a microphone, with the remote control handy for adjusting volume and playback from a distance. listening and media library management: enjoy a wide range of audio formats via dual decoding, while navigating with the color digital display and ondevice buttons.