Bluetooth APP & Remote Control - Change LED rope light colors, brightness, modes via 2 ways Music Activated - Built-in mic to pick up sound & make color changing with music for immersive experience User-friendly Timer Function - Easy settings on APP to turn on/off LED lights & change color at pre-set time Easy DIY Installation - With 3M stickers for easy installation on most surface, cuttable to your need Safe & Reliable - CE & RoHS certificated light, FCC & ETL listed adaptors for quality insurance