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USB Charging Speed Control Mini Electric Grinding Pen Set Micro Electric Drill Grinding Pen Engraving Polishing Machine
Features: After the non-closed test the battery works for about 3 hours with no load in the first gear. After the battery is exhausted it will be fully charged and the 5V2A row will be charged for about 2 hours. After the battery is fully charged...
$25.23 Free Delivery