RICOV Ultimate 3-in-1 Mini DP (Thunderbolt) to 4K HDMI, DVI, VGA Adapter, Compact 1080p Mini Display (mDP) Converter for MacBook Air, MacBook Pro, iMac, iMac Mini, Surface Pro Series, Glossy White FULLY WORRY-FREE  RICOV adapter gives you the most reliable connection by equipment of the most reliable compatible display chip in the market. 1-Year Warranty and 30-Day Money-Back Guarantee makes you fully worry-free. 3-IN-1 SOLUTION - Supports Thunderbolt Mini DisplayPort 1.1a input and DVI/HDMI/VGA output. ULTIMATE COMPATIBILITY  Compatible with Apple MacBook Pro, MacBook Air, Surface Pro 4, Surface Pro 3, Microsoft Surface Book and other devices with Thunderbolt port. Please Note: Not compatible with Macbook 2009 or earlier.Supports video resolutions up to 1080p (Full HD) , for HDMI HD 4K and flawless audio pass-thru for uncompressed digital 7.1, 5.1 or 2 channels (no audio output via DVI or VGA). COMPACT & LIGHTWEIGHT  8 x 5.5 x 0.5 inches dimension makes it super handy. TRANSMIT BOTH VIDEO AND AUDIO - Transmits both audio and video from computer or tablet to HDTV display via HDMI; Supports video resolutions up to 1080p (Full HD) and flawless audio pass-thru for uncompressed digital 7.1, 5.1 or 2 channels (no audio output via DVI or VGA).