This product adopts brushless generator for power generation to charge its inside 1000mAh/3.7V chargeable lithium battery after commutating. The power stored is transformed to the LEDs via a switch to control its on and off and FM radio. Also it can change most of mobile phone, include smart phones. [Product Features]Cranking for power, low noise but high efficiency.3 Ultra bright LED light.Controlled by electric switch, long life-span.Newfangled design which can charge the light by cranking, Never need batteries.Newfangled design which can charge the light by USB charger.Newfangled design which can charge the mobile phone.Searching FM radio programs automatically[Main technician]Full charging time by USB adaptor: About 3hoursWorking time after full charged: more than 10hoursLighting time after 1 minute cranking:10minsThe Max. Luminous flux:20lumensSpecification of built-in battery: 3.7v 1000mAh rechargeable lithium batteryReception scope of the FM: 76 ~108 MHzMobile phone charging out put: 5.5v,500mA[Product patent number]201230272039.0[Product size]Product size: 155mm length |