The Pelty Bluetooth speaker stands out in the very crowded wireless speaker market by using heat as its main power source.

This unique speaker utilizes a candle a thermo-electric generator which converts the energy created by the heat of the candle into electric power. The speaker does all this without sacrificing sound quality. It does not require a special candle to work; any candle will do.

The speaker is handmade in Italy from ceramic and glass to give it heat resistance and unique acoustics. It carries a price tag around $273.