APP CONTROLLED LIGHTS - Enjoying fun of your home lighting for decorations on free Hello Fairy app for iOS and Android devices: fully manage your multi-color lights, set up scene lighting modes, apply personal timer, set colors, switch your string On/Off, Sync with your favorite music, create smart scenario for bluetooth string lights etc. Rainbow Color Effect: with unique built-in IC chip, the led twinkle lights is able to display multicolors at one time like a rainbow. Instantly transform your space with vibrant lighting. Upgraded Brightness 50LEDs and 16 million colors make any setting decor a breeze. Ideal for party, birthday, wedding, Thanksgiving, Christmas, etc. WARM WHITE LIGHTS COMPATIBLE - Different from other rgb fairy lights, these string lights not only have 16 millions colors lights but also have warm white lights. Music Sync: Built-in high sensitivity mic, real-time acquisition of music and environmental sound intensity. This music color changing lights will change colors and speeds based on rhythm. You can select the music mode on controller or remote. Provide you with a romantic atmosphere, perfect for occasions like wedding, party, gathering or celebration. Widely Used: With a USB port, this fairy lights plug in could be powered by any power source with USB interface, easy shape copper wire design makes this waterproof led lights can be applied both indoor outdoor, like teen girls room, bedroom, dormitory, bar, window, goblet, Christmas tree, curtain, galleries, staircase, patio, teepee, backyard, porch, bookcase or pergola, they can add the perfect ambiance to any space.