Bluetooth Musical Tesla Coil

】 ullet Points: 1、[ Double Mode Speaker ] Wireless Speaker is designed with music mode and flash mode, can be connected to a mobile phone to play music, and provides you with a special musical experience. 2、[ Square Wave Music Box ] Music Coil Speaker flashes with the rhythm of the music, the sound is produced by vibrating the air, which is the real "electric sound", features a high discharge frequency, and the arc effect is amazing. 3、[ Easy to Adjust ] By moving the knob on the Wireless Music Speaker, you can change the arc's length and frequency. You can use it with more assurance thanks to the high temperature protection mechanism. 4、[ Wide Variety of Applications ] Coil Music Box features an artificially simulated flash function that can be used as a physical experiment tool, with an itching sensation when touched, improving students' ability to learn and explore. 5、[ Ideal Gifts to Friends ] Wireless Musical Coil is very easy to use and has an amazing flashing melody when plug