Describe: The characteristics of fast transmission and multi-port make the adapter can improve work efficiency and meet the multi-port expansion requirements of the device well. Due to its small size, it is compatible with a variety of device designs, and it is convenient and practical to carry or use. Made of high-quality aluminum alloy material, it is safe and practical to use. This hub measures 8.6cm in length and 1.6cm in width. Suitable for mobile phone and computer use. It supports OTG function, besides, the USB model requires an OTG adapter to use. Product Name: Display Hub Material: aluminum alloy Features: 4 ports, compact, efficient Size Details: 8.6cm x 1.6cm/3.39" x 0.63" (Approx.) Note: Due to different lighting and screen settings, the color of the item may be slightly different from the picture. Please allow slight size differences due to different manual measurements. Package includes: 1 x Monitoring Center Product from NIUNIU Store