[Built-in bluetooth speaker]: The upgrade disco light can be used as a bluetooth LED speaker, connecting cellphones, computers or other bluetooth recognition devices to make noise for big parties. Support SD card, USB and MP3 music, MP4 format. High quality speakers, no accent, no vibrato and no crackle.[SOUND ACTIVATED HOLIDAY LIGHTS]: Disco light ball is off 3 sound activation modes, Light Off, Dynamic and Strobe Effects. The powerful voice-activated sensor captures nearby sounds or music and changes color or speed with sound and music. The remote control can penetrate obstacles such as walls and provide a remote control (20-30 meters). [DISCO LIGHTS AND NIGHT LIGHT three-in-one]: 1. Colorful lights, 7 different colors, which can be changed with sound and music. 2. The night light has 7 different colors to adjust, you can adjust the color and brightness and set the schedule by remote control. 3. As the LED bluetooth speaker, connect your phone to the disco party light, then you can enjoy the music. [Easy to set up and carry]: You just need to connect the disco lights to USB devices, such as cell phones, computers, etc. Super bright mini size, easy to carry. It can be placed directly on a table or desk, or it can be attached to the wall and roof. Easily create a dynamic and energetic atmosphere. [Suitable for many occasions]: USB dj disco stage lights can be used indoors and outdoors, unique lighting effects make it very suitable for papool, clubs, families, churches, karaoke, KTV, weddings, Halloween decorations, bars, Christmas, kids room, will bring great memories to you and your friends.