Description: Features:brand new and high quality.Simple high-quality aluminum alloy for shell, high efficiency heat dissipation, light weight, durable and durable.USB hub and USB external sound card and USB card reader three functions in one multifunctional HUB, bid farewell to the mobile computer connected too many complicated devices, born for the expansion of computers and mobile phones.1 TF card slot 1 SD card slot, card reading and writing more convenient.Expand 3 audio ports (2 headphones and 1 microphone),Single-hole, two-hole headsets can be used to support two simultaneous voices to meet different needs.Support OTG function 3 USB ports, can connect mouse, keyboard, read U disk (capacity is 256Gb and below), read speed is 500Mbps, but Does not have charging function. This 3-port USB hub is the for ideal companion for laptop or desktop computers.Great for laptops with hard to reach USB ports.for Ideal USB expansion for portable use on the road or at home.Perfect for connecting USB 1.1 or 2.0 peripherals such as USB mice, USB Portable Hard Drives, USB CD-R or RW or DVD-ROM drives and USB 1.1 hubs.Supports for Windows Vista, for Windows XP, 2000, 98,WIN7,WIN8,WIN10 and for Mac OS.Compatible:1. Supports for Microsoft for Windows XP or Vista or 7 or 8 or later and for MAC OS X or Linux, for Mac OS or later.2. Backward for USB 2.0 or USB 1.1 or USB 1.0. Specifications:Material: AlloyColor: Black,Silver(approx)Size: 3.928cmUSB Port: 3x USB 2.0 femaleSound Card:3.5mm dual headphone and microphoneTF or SD Card reader:256GbRead U disk:256GbOTG transmission speed:500MbpsSystem requirements: for Windows 98 or ME or 2000 or XP or Vista or 7 or 8 or 8.1 or 10, for MAC OS 9.1 or higherQuantity: 1 PC (other accessories demo in the picture is not included) Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 X USB to USB 2.0 Hub Specifications:Material: AlloyColor: Gray,SilverSize: 3.928cmUSB Port: 3x USB 2.0 femaleSound Card:3.5mm dual headphone and microphoneTF or SD Card reader:256MRead U disk:256MOTG transmission speed:500MbpsSystem requirements: for Windows 98 or ME or 2000 or XP or Vista or 7 or 8 or 8.1 or 10, for MAC OS 9.1 or higherQuantity: 1 PC (other accessories demo in the picture is not included) Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 X USB to USB 2.0 Hub