Features *Universal device *Fast charging & transmission *Insert to use *Support OTG *Easy operation *Aluminum material *Mini size Product Description Support OTG Read U-disk directly, no need to transmit data via computer, more convenient. Extended USB Available for keyboard/Mouse/U-disk/Data cable/ Card-reader/Printer/Hard-disk/Writing tablet. Stable transmission Super low impedance, support stable tansmission and fast charging. Sturdy and durable Aluminum alloy material for box, anti-crash & anti-crack. Specs Model LC140 USB Type USB-C to USB A Connector USB 3.0 Size 15MM*8MM*31.5MM Material Aluminum alloy Color Grey Packing