Cheap USB Hand Crank Generator (4K)

I've seen little generators on flashlights, radios, and such that you can crank to charge. This one is supposed to be able to charge a mobile/cell phone. Thought I'd get one and give it a try. RELATED VIDEOS (including this one): Multifunction Hand Crank Generator    • Multifunction Hand Crank Generator   Use A Small DC Motor As A Generator?    • Use A Small DC Motor As A Generator? (4K)   Mini Hydro-Generator, 12vDC    • Mini Hydro-Generator, 12vDC (4K)   Cheap USB Hand Crank Generator    • Cheap USB Hand Crank Generator (4K)   DC Motor As Generator    • DC Motor As Generator (4K)   Crystal Electric Generator - RF Energy Harvesting Exp 4 - Power A Clock    • Crystal Electric Generator - RF Energy Har...   Stirling Engine w/ Generator - Gamma, Walking Beam Style    • Stirling Engine w/ Generator - Gamma, Walk...   Stirling Engine w/ Generator Power Measurement    • Stirling Engine w/ Generator Power Measure...   Stirling Engine w/ Generator, 2 Piston Gamma Type    • Stirling Engine w/ Generator, 2 Piston Gam...