Specification:Weight: 97.5gSize: 7*5*12cmPower: 15WInput Voltage: 24V Features:1. You can connect your phone, mp3, computer audio (Note:You need to connect an audio source,so it can work)2. Have good sound quality, stable and secure, you can play any music, without grounding.3. Can be a long uninterrupted work, you can also Taking lit LED, foam energy-saving lamps, flash frequency tube, you can play wireless power transmission, rotating arc.4. A coil connected at both ends with both ends LED, near-emitting device, LED will Qiliang, the principle is resonant wireless power transfer. Principle:Plasma speaker stereo speakers: the principle is to stimulate air arc plasma turned into air vibrations generated by the utterance of a new concept speaker, you can access your phone, mp3, computer audio input, this mini speaker Tesla arc plasma compared to the actual experience traditional speaker sound better high-frequency response Precautions:1. The product safety, power is not high, not because of an electric shock, but it is not recommended to touch the top of the coil arc, there will be a burning sensation.2. After long power Do not touch the heat sink, the temperature is very high. Package Included:1 x Mini Music Tesla Coil Module