Model WS-UH3072 Quantity 1 Color Black Material PVC heat resistant plastic Connector Type USB 3.0 Port Number 7 Spacing 0.8cm Transmission Rate 5Gbps Power Supply 100~240V EU plug power adapter output: 12V / 4A Supports System Windows 2000 / XP / Vista / Win 7 Other High speed transmission rate compatible with USB 2.0 / 1.1; Plug and play supports hot swapping driver-free; Built-in surge protector + 7 charging ports (5V / 2A) quick charge for your digital devices Packing List 1 x USB 3.0 hub 1 x AC power adapter (100~240V / EU plug / 100cm-cable) 1 x USB 3.0 cable (100cm)