About this item 【High Quality LED Christmas lights】LED Christmas lights are 33feet long with 100LED, flexible and durabel, more resistant to pulling. The copper wire and small dewdrop-sized LED bulbs will give a delicate to everyday decorations and holiday decor. DIY into any shape, the best choice for Christmas decorations(such as tree, yard, garden and patio). The Christmas lights are very classic and help create a spectacular lighting atmosphere that will surely give you a unique Christmas experience. 【String lights with Music Sync】A built-in sensitive microphone on the controller empowers this LED string light to flash in rhythm with any music, bluetooth string lights will "dance" with the beats of music, creating a matched dynamic and romantic atmosphere. Simply immerse yourselves in music and lighting. 【3 Ways to Control Fairy Lights】With the button on the supplied USB, smart APP control and 40 key IR remote control, the fairy lights allows you easily turn the lights on and off, change the color and music mode, dim the light, set the timer, cycle mode,choose your favorite mode for different scenes, control your fairy lights from anytime anywhere. 【USB Powered, Waterproof & Safe】The fairy lights are guaranteed with CE and UL588 certification, and have a longer life span. USB Powered, with low voltage no overheat after many hours of usage, safe to touch after any hours of usage. The multifunctional remote, a handy operation, no need to worry about the string lights installed too tall and difficult to control. The string lights are IP65 water-resistant and work well even on rainy days, perfect for indoor and outdoor decorations. 【Customer Service】RCNDJE fairy lights include a 1-year replacement. If the fairy lights has manufacturing defects, just click GET HELP WITH ORDER under your order ID, and our customer service team would be happy to assist your issue within 24 hours.