Quick overview from the supplier:
AverMedia Live Gamer Portable 2 PLUS - GC513: Video/Audio Ouput: HDMI 2.0/3.5mm Jack / Input: HDMI 2.0/3.5mm Jack, Max Pass-Through Res:4Kp60 / 1080p60, Max Record Res:1080p60, Record Format: MPEG 4 (H.264+AAC) / MJPEG, Interface: microUSB 2.0