Zeb Spk Remote is a remote app for Zebronics Jellyfish Pro speaker.

This app let you control the various functions of the speaker such as below.
Mode control - Change various playback modes Pendrive, SD card, FM radio, BT.
Playback control - Play, Pause, Next, previous.
RGB light control - Change color of the speaker RGB lights to any color or switch to predefined patterns.
Playlist - Create new playlists with local music.
Equaliser - Bass, Treble, built-in modes + custom settings.

*Works best with Android 7.0 and above*