MUMENG New Style Emitting Mirror USB HUB 4 Port USB 2.0 Hub for iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, or any PC 4 Port USB 2.0 Hub: Rapid data transfer rates up to 480 Mbps. (much faster than USB 1.0, the actual transfer rate depends on many different factors.) Comes with a cable length of 80cm, you can place it in any direction. Easy to use: Supports hot-swapping, no driver is required (Plug Play and Hot Plug). Unique designs, exquisite fashion. Small size (72 * 72 * 17mm), easy to carry. Safety: over-voltage integrated fault current and fault protection, optimum protection of the periphery and the hub.