AD? RING is a stainless steel ring of HDMI adapters that attaches to your display cable so you can plug different presentation sources into the HDMI cable. Laptops, tablets, smart phones, digital cameras, and net books have a variety of connectors for displaying their content. AD? RING provides the presenter easy access to the appropriate adapter for connection to the HDMI infrastructure. This simple and effective solution supports mobile device content and keeps the adapters secure and in place for the next presenter. Features: Secure your adapters with the cable clamp and security loop Resolution Support Up to 1080p and 1920x1200 Fits HDMI cables from 3mm to 9mm in diameter Included Accessories 1 ABS cable clamp, 2 sets of foam rubber inserts, 4 sets of Torx T10 screws and nuts ADRING2 Included adapters: DisplayPort (M) to HDMI (F); Mini DisplayPort (M) to HDMI (F); Mini HDMI typeC (M) to HDMI (F); Micro HDMI typeD (M) to HDMI (F)