For Coil Music Experience: This for Coil is designed to play square wave music and can provide you with a unique sound experience. Please be sure to turn the PWR knob to the minimum to that you will not be surprised by the loud volume during use. Not only is this fun, it also helps you gain into power of for coils. Perfect science education gift: easy to operate, and can be used to demonstrate wireless lighting and boosting principles. Whether you are a science teacher, researcher, or just an amateur science enthusiast, you can use this kit to gain a rich and inspiring hands-on learning experience that will help you further understand scientific . Optimized and upgraded design: We use thick customized headphones to avoid using weak universal headphones to a compact and structure. In order to improve the Bluetooth disconnection problem, we upgraded the Bluetooth connection name to for Coil 10 and canceled the PCB Bluetooth module patch . The of the module uses gold plating and transparent ink technology, which can effectively resist and emit a backlight as thick and long-distance as-. Shocking -Mode: Simply install the rudder needle easily, plug in the power, and slowly adjust the PWR knob, you can see the -on the battlefield dancing on the tip of the needle, making eye-catching sounds, creating a shocking display effect that will Catch the attention of everyone in the room. Engaging Music Mode: Easy to use, no need to download music or insert a USB flash drive. Just scan the QR code on the host to easily get the square wave music link. Switch the switch to music mode, turn up the volume of your phone, and rotate the PWR knob. You can see the- dancing with the rhythm of the music and enjoy the extraordinary audio-visual shock. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V Colour:As Shown Material:Plastic Package Contents: 1 * Music for Coil Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.