Go2Link Silver Ultra Mini 4-Port Multi Port Aluminium USB 2.0 Data HUB for IMAC, MacBook Pro, MacBook Air, Mac Mini, or Any PC DELICATE&PORTABLE: Small and delicate appearance, this 4-port usb hub is convenient to carry. Small-blasting process of usb hub to strengthen the visual effect and quality. SAFETY CERTIFICATE: Over current protection, short circuit prevention and FCC certification of usb hub to ensure the complete protection for you and your devices. EAST to USE: Go2Link 4-port usb hub supports plug and play, hot plug and current protection . HUMANIZATION DESIGN: Ports parallel arrangement will not interfere with each other and outputs four Standard USB 2.0 port. HIGHLY COMPATIBLE: Go2Link 4-port usb hub supports Windows XP/Vista/7, Mac OS 9.1 or higher.