47 0.5v usb adapter products are offered for sale by suppliers on Alibaba.com, of which adapters & connectors accounts for 6%, power adapters accounts for 6%, and chargers & adapters accounts for 6%.
A wide variety of 0.5v usb adapter options are available to you, You can also choose from new, 0.5v usb adapter,As well as from abs, pc fireproof material 0.5v usb adapter,and whether 0.5v usb adapter is dc, or ac.