Comprehensive RING-4 Ring with 5-Adapter, Mini-DisplayPort to HDMI, HDMI-C to HDMI, HDMI-D to HDMI and DisplayPort to HDMI Adapters with USB-C to HDMI Dongle

Make every meeting, training or monitoring session plug-and-play with the Comprehensive RING-4 Pro Cable Adapters ring. Designed for conference rooms, huddle spaces, classrooms and security control centers, this adapter kit keeps Mini-DisplayPort to HDMI, DisplayPort to HDMI, two HDMI adapter types and a USB-C to HDMI dongle secured on an ultra-durable stainless-steel ring so adapters are always at hand. The RING-4 supports up to 4K resolution on digital connections, ensuring crisp video for AV presentations, surveillance camera viewing and networked monitoring systems. The included ABS cable clamp and foam inserts let you attach the ring to most HDMI cables (3mm–9mm) for a tidy, tamper-resistant installation that reduces downtime and cable loss. Built by Comprehensive, this Pro Cable Adapters solution simplifies device compatibility across laptops, Chromebooks, tablets and mobile devices—ideal for IT managers and AV integrators deploying secure, reliable meeting-room and security infrastructure. Add a RING-4 to your toolbox to streamline presentations, improve uptime and centralize adapters for every presenter or technician.

• Keeps all essential adapters tethered and ready so presenters never scramble for the right connection
• Durable stainless-steel ring and secure ABS clamp prevent loss and withstand heavy daily use in conference, classroom and AV spaces
• Supports up to 4K output on digital adapters for crisp presentations, monitoring and surveillance feeds
• Includes USB-C to HDMI dongle plus Mini-DisplayPort, DisplayPort and two HDMI adapter options for broad device compatibility
• Installs on most HDMI cables (3mm–9mm) for a clean, professional setup that simplifies AV and security system deployments