Here this, an innovative product from Scosche. Its a Solar Bluetooth Speaker Phone called the Solchat. yes right, it need the sunlight energy as the main power. It able to connected with your gadget or mobile phone. Its specified by a built in lithium ion rechargeable battery and a solar panel. And when the night comes and you run out its battery you can charge it by using USB via your car adapter. Scosche – Solchat Solar Bluetooth Speaker Phone is already available today with priced at $99.99 each unit.