1: [RGB Coloured Disco Balls] New party disco lights bring a different atmosphere. The 7 light colours are red, green, blue, red-green, red-blue, green-blue and RGB.This looks cool when all three colours are glowing on the ceiling. The colours are spectacular and it's a wonderful light show! 2.[Built-in Bluetooth Speaker] It can connect to your mobile phone, laptop, computer or any other Bluetooth-aware device to make some noise for a great party. Support SD card, AUX, USB and MP3, MP4 format music. TF card can be inserted, USB stick, AUX, FM (not included). 3: 【Rechargeable】Rechargeable built-in battery, portable to carry to anywhere, bedroom, family room, backyard, limo, car, garage party, camping, girl's party dance. 4. 【Sound Activated】When the power is turned on, music is turned on or sound is heard, the DJ lights will flash with the rhythm (stronger rhythm, better effect). 5. [Suitable for many scenarios】Family party, garden party, Halloween party, birthday party, disco party, prom, Christmas party, pool party, holidays, wedding, ballroom, KTV, children's room, shopping malls, squares, parks and other occasions.