Features:Male Nintend64 to Male HDMI converter.No need to install drivers, portable, flexible, plug and play.Provide high-precision, color, resolution and detail signal processing to restore the original game screen.This Nintend64 to HDMI converter makes it easy to connect the Nintend64 console to the new HDMI TV input, eliminating cable confusion.Enjoy a portable, flexible gaming experienceNo need to install drivers, plug and play.Provide high-precision, color, resolution and detail signal processing.Support NTSC3.58, NTSC4.43 standard TV format input.Notice:Only video signal transmission cannot improve video quality.Only convert Nintend64/-SNES/-GC( Japan version support ,do not support america /Europe game version)to HDMI, HDMI to AV is not supported.Does not support HDMI to AV, only converts Nintend64 to HDMI.4K and 3D are not supported.it must connect the micro cable use for supply power ,the package has not the power adapter. it only has micro cableSpecifications:Material: ABSColor: BlackFunction: plug and play, realize the game console for N64, for NESS, for NGC and signal conversion into high-definition HDMI-compatible multimedia signal without external power supply.Quantity: 1 PcPackage includes:1 x HDMI-compatible Converter1 x USB CableNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement.Can not work ?please check 4 things : 1 . have you connect the micro cable use for supply power ? 2. have you switch 720p or 1080p on our device ? 3. have you set hdmi signal on your tv ? 4. check your game version , it is not support us/EU game versionif it still not work ,please do not open a dispute or bad feedback ,please contact us . we will slove it