5 in 15 in 1 USB Multi Function Hub.Expand your laptop's USB port to 2*USB2.0, SD memory card, TF memory card, ISO TRRS 3.5mm headphones for a total of 5 ports one stop connection. Extended USB PortUSB2.0 to USB2.0/TRRS 3.5mm Headphone/TF/SD Card Reader Multi Function Hub.2 USB2.0 female ports, can be connected to use any 2 external auxiliary devices at the same time, such as USB flash drive, mouse, keyboard, gamepad, projector and so on. ISO 4 pole 3.5mm Audio PortUSB multi port docking hub.3.5mm headphone + microphone audio jack, support listen + speak 2 in 1 function. Note: The 3.5mm connector is wired with international standard. If you plug in American Standard headphones, it is easy to lose sound or noise. TF/SD Card Reader5 in 1 USB2.0 Multi Port Replicator ExpanderThe dual-layer card reader slot design connects SD card and TF card without interfering, easy to read mobile phone/camera memory card data. Aluminium Alloy/Plug and Play5 in 1 laptop USB multi function extender. Aluminium alloy shell, sturdy and durable, easy to dissipate heat. Built-in chip, plug and play.