Brand new product with high quality. This product is a multi-functional solar powered emergency charger. Built in 750mAh high capacity rechargeable polymer battery. Convenient, wherever you are, you could talk while charging at any time. 120-180 minutes’ talking time or 72 hours stand time while charging only 60 minutes. Fashionable and portable design, exquisite and easing taking. High solar energy converts efficiency: over than 16%. Solar energy board: 5.6V/40mAh Output voltage: 5.6 ± 0.5% Output current: 400mAh ± 0.5% Charging time: about 60 minutes