2779 usb speaker adaptor products are offered for sale by suppliers on Alibaba.com, of which speakers accounts for 51%, chargers & adapters accounts for 1%, and adapters & connectors accounts for 1%.
A wide variety of usb speaker adaptor options are available to you, such as short circuit, ovp and over-charging.You can also choose from new, 100% oem compatible usb speaker adaptor,as well as from abs, pc fireproof material, and aluminum alloy usb speaker adaptor,and whether usb speaker adaptor is dc, or ac.