This Tesla Tesla on the basis of the general increase in the music player, you can play phone / computer music, clear sound.n15-24V DC input voltage, when 24V, 5 - 10 mm arc length meters is ideal, small size, power and energy range, 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 and the like.nWireless transmission principle: a coil connected at both ends with both ends LED, near-emitting device, LED will Qiliang, the principle is resonant wireless power transfernNote:This is DIY KITS,you need do it yourself! thank you!nYouTube Video: 1. https://www.youtube.com/watch?v=yOqXpuYTFso 2. https://www.youtube.com/watch?v=Uac0C4Hb8ugu0026amp;feature=youtu.benFeatures: Size: 38 * 79 mm Power: 15w Power input: DC 15-24v, current 2A, DC5.5 Interface Audio input: 3.5 jack, you can connect your phone, mp3, computer audio. 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, and spark plasma arc speakers have good sound quality, stable and secure, you can play any music, without grounding, easy to use features compared; there is no doubt as a home stereo player new member!