Converts any HDMI cable or port with male connector into HDMI female. It can also be used to connect two HDMI cables with male connectors. High Speed HDMI compliant supporting 1080p/1440p/2160p, 4k x 2k Ultra HDTV & 24/48/50/60/120Hz. Fully molded design provides durable and professional appearance while female to female connection solves multiple interconnection issues. RoHS Green Certified and production process that uses laser and precise machine soldering. NOTE: Connected cable must supports 4K. (REV1; Connectors: HDMI Female to Female)