Features: 1.REASONABLE DESIGN: The coil and the base can be separated, and the intermediate circuit board is assembled from many small parts and arranged neatly. 2.GOOD COOLING: The base has cooling fan and heat sink, reasonable circuit design to ensure good heat dissipation effect, can be used for a long time. 3.MULTIPLE USAGES: DIY music coil kit, can connect mobile phone, mp3 and computer audio, etc., no limit to music format, convenient and practical. 4.EASY OPERATION: This music coil kit supports plug and play, no need to ground, equipped with plasma garland and pinwheel, exquisite and beautiful. 5.WIDE APPLICATION: Used for DIY plasma speakers, arc generators, etc., and can also be used for wireless transmission teaching demonstration experiments. specification:Item Type: Music Coil Kit Product Material: Aluminum Alloy Color: Gold Power Output: 30V 3A Interface: 3.5mm audio interface, DC interface Product Usage: 1. Space lighting 2. Plasma speakers play music (unlimited music formats) 3. Plasma Windmill 4. Plasma Wreath 5. Handicraft Ornaments PackageList:1 x Host1 xAudioCable1 x Plug1 x EU Adapter1 x Large Bulb2 x Small Lamp3 x TestElement1 x Thimble1 x Garland Wire1 xPlasmaWindmill Note1. Not suitable for people with electronic medical devices. 2. Do not touch the coil when working. 3. Please do not use it in an environment with flammable and explosive materials or closed coils and large?sized metals.