The mini displayport output to HDMI or VGA input 2 in 1 Adapter connect your mini DP/ThunderboltTM port devices to high definition display like HDTV、monitor、projector、LCD display with HDMI or VGA output Mini displayport to HDMI:Transmits both audio and video from computers to HDTV display、support 1080P resolution for HDMI output Mini displayport to VGA:Transmits video from computers to HDTV display、support 1920*1200 for VGA output、connect a audio device for audio transmission、HDMI and VGA port can't be used simultaneously Supported devices:Macbook Air、Macbook Pro、Macbook mini、iMac、Windows Surface pro series、ThinkPadX1、Dell xps 14z What you get:1*portable and lightweight mini displayport to HDMI or VGA cable with 12months warranty and lifelong customer services