Color-changing and dimmable The horn bulb is a dimmable multi-color bulb. warm white and cold white are optional. and the brightness is adjustable. The speaker bulb can dance to music. making it a fun party light. $Wake up and timing The Bluetooth music bulb has a timing function. After you set the wake-up time. the soft light and beautiful music wake you up every morning. $Story-telling light Children can play their favorite music and bedtime stories through smartphones or ipads before going to bed every day. $Auto-switching The wireless control range is up to 33FT. allowing you to enjoy the fun of wireless music. If you install it in multiple rooms. when you arrive from one room to another. your mobile phone music will also be automatically transferred to another Lights to play.$Wide use Suitable for family gatherings. living rooms. bedrooms. study rooms. childrens rooms. kitchens. corridors. balconies. restaurants. offices. shopping malls. bars. barber shops. hotels and other places.