Operational Notes: 1. Long press the key 3 seconds to turn on the light mode 1 light, while music 1 play. 2. Short press the key to replace the light mode. 3. If you need to replace the song, press the remote control or host to replace the Previous or Next song. 4. When inserting the TF card or external source, the automatically shut down. 5. When inserting the external sources, the host and remote control Previous or Next song can not been operated. 6. According to the remote control H1 / / H4 that the host timer settings, in 1 hour / 2 hours / 4 hours after the automatic shutdow SAFETY WARNING NOTOcean Projector:It’s a color changing wave LED night light with mini speaker powered by matched USB cable, and control by both sensor key and controller (2*AAA battery not included). It’s perfect for creating a ocean atmosphere, which can be used in bathrooms, living rooms, baby rooms, parties or any other. Auto Off Timer:3 Auto off timer options- built-in 1H, 2H, 4H auto off timer, the lamp will automatically shut off after the preset time. And of course timer can be canceled to stay on all night long. Built-in Mini Music Player: Equipped with slot ( not included) and built-in mini speaker, enjoy music, relaxing, meditation music while insert or connect with external audio source. And there are four built-in music: forest insect sounds, sea gulls sounds, flowing water birds sounds and merry nature sounds. 12LED &7Colors&45°angle : 12 super bright LED beads and 7 lighting modes, you can choose which mode show depending on your or the surrounding at ease. And the lamp can be tilted 45 degree, convenient for you to project the light straight up or point in an appointed direction. Newest Projector: With Remote controller & senor keys, dual-optional and more convenient for operation. Can be used to turn on/off the lamp, change lighting mode, adjust the volume, to set automatically turn off timer.