BlueFire 6W RGB Crystal Magic Rotating Ball Led Stage Lights for KTV Xmas Party Wedding Show Club Pub Disco DJ + USB charger Line Sound Dynamic Effect: The DJ Light will Change color and frequency with the music, the faster pace of music, more intense flashing light. Easy Installation: with suction cup and 360 degree bracket and 4 meter power cable, you can easily install this light in various way. Energy Saving: LED Bulk save 90% energy then traditional incandescent lamp. Environment Friendly:PVC transparent crystal lamp, No stroboscopic, no mercury, no lead, no UV, Zero damage to human. Super Low Heat Radiation: solid cold light source, eposy resin packing.