Compliance*Warranty*After Sale Service: GOYIY USB3.0 4-Port Hub complied with the standard FCC, CE. 1-year warranty against defects in materials and workmanship, worry-free please contact us through . Ultra Slim compact and portable design but not recommend for Charging: Its compact design with slim and light body makes this hub easy to store and carry, easy for your working and traveling. A 5 V, 900 mA total output delivers quick and consistent power, it may slowly charge your device but not recommend for charging. Compatible System & Devices: This USB hub for laptop is Plug and Play on Windows 7/8.1/10 32bit and 64bit, MacOS Catalina 10.x, Big Sur 11.x , Chrome OS, Linux 2.6.14 and later. It work for the USB3.0 and backwards with 2.0, 1.1 devices, i.e Cable, keyboard, mouse, printer, fash drive,card reader, mobile HDD/SSD, mobile phone, tablet,2.4 GHz wireless devices, USB fan, speaker etc. Super Data Transfer Speed: A data transfer speed of up to 5120Mbps from each USB port performs quickly so you can transfer video, image, music and files of 1G Bytes in seconds, 10x faster than USB2.0 480Mbps. 4 Port USB Expansion: This USB3.0 4-Port Hub work as usb extender lets you connect up to 4 USB devices with the use of a single USB 3.0 port. It works for desktops, laptops, iPad Pro(need adapter), PS4,PS5 and Xbox series etc.