1.Solar Charger Voltage Controller. 2.Charger for Mobile Phone,PSP, GPS,iPad. 3.Constant Voltage Output ... high voltage to constant voltage DC 5V, USB Output charge for your iPhone, iPad, cameras, Mp4, PDA, PSP, GPS ... and anywhere, it is safe, reliable and is great for saving power and protecting Digital Devices .Features:Mini portable ... box. Solar Voltage Controller 5V USB Output for iPhone Smart Phone