Welcome to The Gadget Professor Show #679 hosted by Don Baine. Exclusive Hand Crank Power Bank: GOODaaa adopts latest advanced technology to combine the solar charger with a hand crank generator. Simply rotating the handle on top, make it possible to provide power during an emergency or natural disaster. Besides, it has multiple fast charging … Continue reading TGP # 679 GOODaaa Power Bank Wireless Charger 45800mAh →