Low power consumption, High speed transmission, But big power outside has great advantages Mrtal shell 4 Mouth HUB, simple sense is strong, powerful interface parallel arrangement, and mutual interface, suitability is strong, and compatibility 4LED indicator with power switch. Output 4 Standard USB 3.0 Port (AF) USB 3.0 HUB supporting a transfer speed up to 4.8 Gbps USB 1.1 and 2.0 Compatible OS: windows XP, Vista, 7, Mac Osx 9.1 or Higher
