IN THE BOX: 2-pack of 29 x 22mm HDMI female-to-female couplers for connecting two HDMI A Male to A Male cables FOR HDMI-ENABLED DEVICES: Ideal for extended reach when connecting Blu-ray players, Fire TV, Apple TV, PS4, PS3, XBox one, Xbox 360, computers, and other HDMI-enabled devices to TVs, displays, A/V receivers, and more SUPPORTS 4K VIDEO & MORE: Supports Ethernet, 3D, 4K video, and Audio Return Channel (ARC) COMPATIBILITY: Compatible with HDMI standard (4K video at 60 Hz, 2160p, 48-bit/px color depth); supports bandwidth up to 18Gbps; backwards compatible with earlier versions