499 400ma usb adapter products are offered for sale by suppliers on Alibaba.com, of which chargers & adapters accounts for 63%, adapters & connectors accounts for 1%, and usb hubs accounts for 1%.
A wide variety of 400ma usb adapter options are available to you, such as short circuit, ovp and over-charging.You can also choose from new, 100% oem compatible 400ma usb adapter,as well as from abs, pc fireproof material, and aluminum alloy 400ma usb adapter, and whether 400ma usb adapter is cell phone, camera, or game player.