Plug and Play: This portable USB 3.0 laptop dongle provides a true plug and play solution The plug adopts aluminum alloy oxide shell and gold-plated interface. The wire uses all copper conductors, the maximum current can reach 3A, and the maximum power is 60W. Product use: Charger extension cord for type-c interface, Working voltage: 5V-20V Working current: 3A(max) Colour:black Material: ABS/PVC+ aluminum alloy Size: cable length 1.5 meters Package Contents: 1 x Extension cable 1 x 4-Port USB hub Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. set2: 1 x Extension cable + 1 x 4-Port USB hub The appearance design is novel, with light after power on; light in weight, very suitable for traveling and carrying, connecting anytime, anywhere. Fast transfer speed: It complies with SuperSpeed USB 3.0, which means it can provide up to 5Gbps data transfer speed Connect peripheral devices: This active USB 3.0 hub allows you to connect four USB devices at the same time at the maximum speed, supports multiple devices, without stutter or delay