InventHelp Inventor Develops Power/Charging Device for Instruments (SDB-1565)

PITTSBURGH, Dec. 9, 2021 /PRNewswire/ -- "I'm a musician and I play four and five string bass guitars," said an inventor, from San Diego, Calif. "I observed that wireless products and gadgets on the market today are generally powered and charged via a USB connection, and I developed a...