SP-3001 Features: -This emergency cell phone charger features a built-in solar panel and is small enough to carry anywhere..-Mini cellphone charger for cellphones, iPods and other digital devices.-Features USB and micro USB ports.-Charges via built-in solar panel.-Charging via USB port, optional DC cigarette adaptor or optional AC home adaptor.-Carabiner hanging hook.-Charging via external Secur solar panel (optional).-Charging time with adaptor: 2.5-3.5 hours.-Charging time with USB port: 3.5-5.5 hours.-Charging time with built-in solar panel: 150 hours.-Lithium ion battery: 1300 mAh.-Product Type: Solar.-Overall Height - Top to Bottom: 3.5.-Overall Width - Side to Side: 2.5.-Overall Depth - Front to Back: 1. Color/Finish: -Color(s): Green and black. Specifications: -USB input voltage: 5V.-USB output voltage: 5V. Dimensions: -Overall Product Weight: 0.19. Warranty: -1 Year limited warranty.