1. Change colors according to different rhythms， creating a wonderful musical atmosphere2. Easy to carry， compact size， can be hung in any place3. Simply install battery， no need to connect to power supplyNumber of LED Chip:15 x light emitting diodes (5 red， 5 green， 5 blue)LED Chip Model: F5Beam Angle(??):120??Dimmable: NoCertification: CE， RoHSMaterial: Engineering PlasticOccasion: Living Room， Bedroom， RestaurantExterior color: whiteLighting color: RGBWorking voltage: DC4.5VStandby current: < 0.025mAWorking current: <135mABattery: 3 x AA battery (not included)Product dimensions: Diameter 8.2 cm， thickness 3.5 cm1. The bottom control switch has 2 states， namely， close (OFF)， sound control flash (AUTO); [CONT has no function]. Flash modes dynamically change according to rhythms of music.2. Can be hung， with fixing holes， with magnetic bottom.1 x LED light bulb1 x User manualIn white box