Features:
USB 2.0 High Speed Hub Cable at data rate up to 480Mbps (With actual data rate at 240Mbps), 40 times faster than its predecessor interface, USB 1.1, which tops at 12Mbps.

Convert one USB port to 4 USB 2.0 ports for your laptop or desktop.

Allows simultaneous operation of up to four separate devices all attached to a single USB port. (Up to 500mA power supply for each connected USB device)

Backward compatible with USB 1.0 & 1.1.
Perfect for connecting USB 1.1 or 2.0 peripherals such as USB Mouse, HDD, USB Storage Device, USB CD-R/RW or DVD-ROM drives, USB 1.1 Hubs, etc.
Supports up to 127 High speed Devices.
Stable performance.
Lightweight and compact.
Plug and Play, hot-swappable.

Specifications:
Interface: 4 x USB 2.0 output, 1 x USB input
Operation Systems: Windows Vista, Windows XP, 2000, 98, and Mac OS 8.6 and higher
Working humidity: 10% - 90%
Working voltage: 5V
Working temperature: -20C - 75C
Storage temperature: -40C - 85C
Item size: 260 x 32 x 19 mm