Small and portable, carry it with you Adds extra 3 USB 3.0 ports for connecting multiple USB peripheral devices plug and play, compatible with Mac OS, Windows, Linux, Android, iOS Alloy heat dissipation, anti-fingerprint, high temperature resistance HDMI compliant interface supports HD resolution giving you cinema experience Support mobile phone connected to large-screen TV, while charging and connecting U disk, mouse presence of micro SD and SD card slots, transfer data seamlessly from the memory cards to your laptop