... , alarm, desk lamp , radio, charger 2.Solar charging , DC charging , crank dynamo Solar lamp radioProduct Specifications 1.Solar panel : 5V 90Ma 128 ... ~108MHz 4.Speaker power: 8Ω 0.5W 5.LED brightness: 2000~2500mcd 6.LED life:>10000H 7.Output: DC5.0V 500Ma 8 ... USB port on this item .3)By crank dynamo(5hours full charged)Pull out the crank handle and start cranking , keep 2 revolutions ...