Features:It is a multi-functional product with three functions of USB divider +USB external sound card +USB card reader.Support OTG functions, leave computers and mobile phones connected with too many complex devices, expand for computers and mobile phones, expand 3 audio ports (headphones, microphones, earthen two in one) +3 USB port +1 TF slot +1 SD slotReading cards, writing cards, listening to songs, recording songs, playing games, copying data are more convenient.The combination of headset + microphone + headphone 1+2 supports two people listening and speaking dual functions simultaneously.Simple and high quality aluminum alloy shell, efficient heat dissipation, light weight, light weight, durable and single hole, double hole can be used.Description: No external power supply, high compatibility, no need to drive, plug and play.USB2.0 interface, transmission speed 1.5/12/, each USB port transmission speed up to 480MBSupport computer and other equipment with earphone, microphone, headset, stereo, keyboard, mouse, U disk and other external device connection.Stereo sound effect, support mixing and high fidelity noise reduction make the sound quality more pure. USB pure copper core short line connection.Specifications:Material: metalColor: silver/graySize: 39.4*20.4*80mmCable length: 150mmPackage Included:1 x USB multi-function hub sound cardNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Due to different personal measuring techniques, there might be 1-3cm error of the physical. Thank you!