Features: 4-port USB 3.0 hub for fast charging and data transfer speed up to 5Gbps. Aluminum alloy body, wear-resistant and corrosion-resistant, no fingerprints in hand; PVC tough casing, not easy to break, anti-interference and durable. GL3510 core main control chip, faster and more stable transmission speed. Humanized design, non-slip bottom, stable body, more suitable for desktop. Support most USB products in the market, such as phone PC, tablet PC, keyboard and mouse, USB drive, hard disk, card reader, USB fan, USB light, etc. Compatible with mainstream operating systems, support hot-swappable, plug-and-play, no driver required. Specifications: Material: Aluminium Alloy Size: Approx. 84x54x19mm/3.31x2.13x0.75" Name: 4 port-985E USB3.0 Hub Interface: USB3.0-Ax 4 Speed: 5Gbps Power: 36W(12V 3A) Data Line: Approx. 85cm/2.78ft Charging Cable: Approx. 132cm/4.33ft Plug Type: 4 Kinds of Plugs Optional Others: Supports Charging, with Individual on/off Swicth & LED Indicator Package Includes: 1x 4-Port USB3.0 Hub 1x 12V3A 36W Power Adapter 1x Male to Male USB3.0 Data Line note: USB3.0 male to male cable to support charging and transferring data. Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions.