Here's the rewritten description for Fruugo: This device features wireless transmission and speaker functions, along with a glowing gas tube. It's an excellent teaching tool to spark students' interest in science and makes a great gift. Ideal for wireless transmission experiments, it can generate high-voltage effects and demonstrate principles like wireless power transfer, wireless lighting, and insulator testing. Teachers use it to explain voltage boosting and high-frequency effects. Designed with circuit protection to prevent damage to input devices, it offers better quality than standard arc plasma speakers. Includes Bluetooth for easy connectivity. xxSpecifications:xx - Plug: US (compatible with Canada, India, Mexico, Thailand, Taiwan, Philippines, etc.) - Voltage: AC 100-240V - Color: White - Material: ABS xxPackage Includes:xx 1 �� Musical Coil with accessories 1 �� Power supply xNote: Colors may vary slightly due to lighting and display differences. Slight size variations (1-3cm) are possible.x