Name: UFO Mode: UFO-01 Brief Introduction:* Have four USB ports, support 2.0 version or 1.1 version* Support high-speed Mbps, Full-Speed Mbps, Low Speed Mbps* Protection for current overload.* Support OS：LBM PC/MACM PC / MAC / MAC* Fully compatible with all USB devices. E.g. scanner, camera, DV, MP3...* Supports self-powered and bus-powered modeSpecification & Size: 16.8*23.8cmUnit weight: 42.4gUnit packing weight:62.6g