App-controlled LED lights change colors and are perfect for decorative indoor and outdoor setups. Download and use the Twinkly app for iOS and Android to map the string lights and create a custom light display by connecting to nearby bluetooth or Wi-Fi networks. Designed with a flat head to intensify light effects. Twinkly is the revolutionary LED Light String bringing the most advanced technology to your indoor and outdoor Christmas decorations, IP44-certified. Twinkly Special Edition is designed to bring the vibrant variety of RGB colors together with the warmth of the classic, beloved warm white pure light with a brand-new four channel RGB+W light source. It combines 250 bright, colorful RGB+W LEDs, a Wi-Fi/Bluetooth controller and a smartphone application. It works with Google Assistant and Amazon Alexa. Twinkly devices can be synchronized together up to 4,000 LEDs or 10 devices. The free mobile app for iOS and Android devices is designed to let you fully manage your multicolor lights. Create effects, apply timer and switch them ON/OFF. Bluetooth connectivity easily pairs the device to the Wi-Fi network to let you quickly start playing with your lights and wrap unique shapes on the app using 16 million colors. The newest RGB 4.3mm diffused lens LEDs are designed with a flat head to intensify light effects. You can also download spectacular free effects from the Online Gallery. Multiple Twinkly devices can be synchronized in groups via the app, with no physical connection needed. Create marvelous decorations for Christmas, Halloween and parties. Smart controller, plug and power cable are included. The device works with Google Assistant or Amazon Alexa, allowing you to send voice controls to turn ON/OFF, change brightness/color.