Specifications:Main control frequency: Duad-core Cortex-A7 up to 1.0GHzMemory performance: DDRIII 256MSupport external TF: expandable to 128GGame content: 64G(20000and),Games ,128G(30000and Games)Support games arcade, mame, atari2600, atari5200, atari7800, atarilynx, cps1, cps2, cps3, fbneo, gamegear, gb, gba, gbc, genesis, megadrive, nes, nesh, ngpc. pcengine, psx, sfc, snes 23 kinds of emulatorsUse interface: HDMI-compatible output, 1080P, 720PVoltage input: 5V or 1A or 2AFeatures:Original 3K rocker,special game rocker for arcade, high sensitivity andantiskid design.2.4G wireless controller gamepad .Support up to 10 kinds of classic simulators to play classic nostalgic games.The upgraded version of H D is more smooth and ready to play.Support wireless handle and wired handle, a drag two handle,support four people online to play.Package Included:1 x Game stick.1 x HDMI-compatible cable.1 x USB charging cable.2 x Wireless gamepad.1 x Receiver.1 x TF card. (64G,128G optional)1 x Manual