SB-1011 Product Name : Wind-up Mobile phone Charger W/ LED light Description : Charge in less than 3 minutes will get you up to 2-8 minutes talk time. Features : 1) Do not need battery or any power source2) Charge in less than 3 minutes; get you up to 2-8 minutes talk time3) LED can be used as an emergency light4) Subminiature and be easy to carry, environment protection Specification : Inner packing: white boxOuter packing: 100pcs/ctn, carton dimensions: 40.0 x 29.0 x 35.0cmNet weight: 13.5kg/ctnGross weight: 15.0kg/ctn Safety/Quality Approvals : ISO9001CE Certificate