Introduction BYL-3015 HUB is an integrated product belonging to USB connector. You just need a mainframe that has a USB 3.0 port to extend 4 types of USB 3.0;1 type of charging port with the help of it. That makes your working and life convenient. Additionally, it has a high-speed recharging port exclusive for the Apple and Samsung equipment. Specification BYL-3015 attractive appearance and easy to pack The input interface :USB A/M; The output interface: USB A/F 3.0transmission speed: Transmission rate support up to 5G BPS Supports DOS, WIN3.X.WIN95/98/98SE/2K/ME/XP/NT.Linux.Netware,Unix,WIN7.WIN8.ISO9.1 or higher level operating system Support hot plug, without having to turn it off Convenient for external power and LED light; independent switch to control every outlet Extra power request DC5V/2000MA( this external power is only needed under this situation, a multi-role hard-disk or various hard-disks are connected, and multi-port recharging is needed.