White Noise Function: Star projector night light features 19 relaxing natural sounds.If you can't sleep at night, the white noise machine can be used as a soothing tool to help you relax and combat insomnia. With this soothing sound machine, children and adults alike can enjoy a full night of beautiful dreams. Build-in Bluetooth Speaker & Sound Activated Function: Star projector night light can be connected via Bluetooth.The sound-activated function allows the projector to change the lights with the music beat or sound. This Starlight Projector Galaxy Night Light can be used as a romantic mood light, star light, night lamp, and bedside lamp for bedroom. Remote Control & Timer: Led light projector come with a remote control, which has 17 buttons to adjust volume, brightness, speed, light mode, Sound activated switch etc. Projector light for kids the auto-off timer can be set to 1 or 2 hours and if you forget to set the timer the unit will automatically switch off after 4 hours which is a great convenience and safe for children. Great Bedroom Decor & Gift: Star light projector galaxy is ideal for birthday gifts, party decoration, room decoration , children gifts etc.