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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
for geological exploration
300ml when full
Our fan even tells the time and temperature
128GB and 256GB models and is made of a Zinc Alloy anti corrosive shell
Hand Dynamo & Solar Energy Portable USB Charger Color:Black for geological explorationOur Hand Crank Solar panel charger provides 5 5. 5V at 0. 4W and the Polymer Lithium battery can be recharged more than 500 times via its Micro USB charging connector. The Solar Panel can be automatically charged in a place with sufficient light, hands free. The stronger the light (Sun), the higher the charging efficiency. For Manual power generation hold the charger in one hand, rotate the hand crank clockwise, 120 rpm for 2 or 3 minutes should give