RYRA MINI 4 USB 2.0 ports Hub High Speed Mini Socket Pattern Extension Splitter Adapter for Laptop PC Computer Charger Portable This product is applicable to most equipment and the speed measurement is normal, but the actual transmission speed of the equipment is related to the equipment. Please pay attention before placing an order, hope to understand, thank you! Description: Adds 4 USB 2.0 hi-speed ports. The Laptop USB Hub fully compliant with USB 2.0 specification Backwards compatible with USB 1.1 Mini USB 4-Port Hub support up to 127 hi-speed devices Support data transfer rate at 1.5/12/480 Mbps Individual port Over-Current protection Friendly and ergonomic design Computer USB Hub is easy to carry Provide up to 500mA per port sufficient for diverse devices Plug and Play Specification Material: ABS shell copper Application: computer USB interface Specifications: USB 2.0 / 1.0 compatible Working humidity: 10% - 90% Working voltage: 5V Working current: 500mA Operating temperature: -20C - 75C Storage temperature: -40C - 85C Support system: Windows 95/98/2000/2003 / ME / XP / Vista or Mac OS 8.1 or later (Windows 95/98 system to install the driver) Color: black, white Weight: 49g Cable Length: 15.7inch/40cm Specifications: Adds 4 USB 2.0 hi-speed ports. The Laptop USB Hub fully compliant with USB 2.0 specification Backwards compatible with USB 1.1 Individual port Over-Current protection Plug and Play Package Included: 1 x 4 Port High Speed Mini USB 2.0 Hub Notes: Duetothedifferencebetweendifferentmonitors,thepicturesmaynotreflecttheactua