2 Packs of 33 ft DELight Fairy String Lights consist of 100 pcs RGB LED lights for each string light, providing 20 colors and 6 lighting effects Support both Bluetooth APP and IR remote control, which can change light colors, brightness, modes Built-in sensitive microphone to pick up the sound and enable color changing dynamically with music Feel free to bend the string lights into any shapes you like IP65 water-resistance to withstand the water splashing; RoHS certificated for quality insurance