High Power Charger Portable Emergency Hand Power Hand Crank USB Charging Tool
Dynamo generator, the greater the speed of shaking the greater the power, the maximum power of about 20w. Rotating speed: 2000rmp/min. -A variety of interfaces, are free to choose. Max power: 20W. ෆ ʕ̯•͡˔•̯᷅ʔ ෆ pictures show.
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