Brand: LDNIO Model: LC140 Color: Grey Material: Aluminum Function: Charging/Data Transmission/OTG Exchange Device: Type-C Mobile(OTG)/Tablet/PC Product Size: 3.2*1.5*0.8cm / 1.3*0.6*0.3in Product Weight: 4g / 0.14oz Package Size: 16*8*3cm / 6.3*3.1*1.2in Package Weight: 29g / 1.02oz