Iqua Sun solar-powered Bluetooth headsets a few years back, you'll probably have no need whatsoever for this. For everyone else, listen up. The Scosche solCHAT Bluetooth speakerphone boasts an integrated solar panel and rechargeable Li-ion, and when installed within one's vehicle, it simply pairs up with BT-enabled handsets when in range in order to give drivers the ability to talk handsfree. The simply styled unit has just three visible buttons -- volume up, volume down and the all-important answer / hang-up key -- and it can be yours right now for $99.99. Oh, and just in case you live in some shadowy place like Seattle, a USB charging cable is also throw in -- just don't tell Mother Earth, alright?