Description 4K HDMI Male to Female Rotate Gold Plated Extension Line Converter Adapter 4K HDMI Male to Female Rotate Gold Plated Extension Line Converter Adapter 1. The plug is nickel-plated shell, gold-plated contact points, and the conductor is copper 2. The wire and the overall plug are made of TPE material 3. 19+1 standard version 2.0, supports 4K full HD resolution, provides clear and smooth video 4. Anti-corrosion, strong and durable, promote the transmission of video signals 5. Convenient and flexible connection at any angle. Save portsspace 6. It is used to extend and protect the HDMI interface of various wireless projectors, set-top boxes, and wall-mounted TVs to avoid long-term plugging and plugging that affects the life of the TV or set-top box interface