Features: Supports 2TB large capacity hard drives for fast data transfer High appearance transparent USB four interfaces hub for high-speed file transfer The theoretical speed of USB3.0 can reach 5Gbps, and the high-speed transmission of audioand video data files is fast Universal computer/USB device, USB3.0 4-port hub, supporting external power supply, strong power Add Micro USB additional power interfaces for easy connection to highpower devices, with reasonable spacing and easy insertion and removal. Specifications: Product Material: Transparent Plastic Output interfaces: USB3.0x4 (theoretical speed 5Gbps) Input interfaces: MicroUSB Product power supply: Micro USB power supply Item Size: approx A Square 80x80mm/3.15x3.15in B Rectangle 57x80mm/2.24x3.15in Package Includes: 1Set USB HUB with Cable note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.