3X3M300 Curtain Lights with Sound Activated USB Powered 300 LED Fairy Christmas Lights with Remote Sync-to-Music Setting 8 Mode Hanging Light for Bedroom Wedding Decorations. Features: Sync-to-Music Mode - spectrum with lights adjusting automatically based on your music or any sound.Just pressing the music-button of ♬1-4,then let your passion beat with the lights. 8 Modes - combination, in waves, sequential, slogs, chasing/flash, slow fade, twinkle/flash, and steady on. Updated Timer Function - Create different ambience to satisfy your diverse needs.This String lights indoor will keep 6 hours On and 18 hours Off automatically every 24hrs once TIMER activated. Super Bright with High Quality 300 Orange LEDs - 9.8ft.x9.8ft, power sufficient, safe to touch, convenient and with 10 on-string hooks.NOTE:Just string lights,No come with curtain. USB Powered - Just plug in USB interface device such as adapter, power bank ,PC, etc. Then you can enjoy your twinkle window string lights anywhere you love. IP64 Waterproof,Perfect for Outdoor/Indoor Decorations - can be as wedding lights, christmas lights, party lights,outdoor wedding lights, back drop lights , door curtain light, fall lights decor ,or outdoor wall decorative lights,etc. Specifications: LED Quantity: 300pcs. Material: Plastic,Copper. Wattage: 5W. Size: 9.8ft×9.8ft. Input Voltage: 5V DC. Working Temperature: -25-40 ℃. Quantities of strands of each Curtain: 10pcs. Quantities of LEDs of each strand: 30pcs. Package Included: 1 X 3*3M300LED