1. Specifications: Main control frequency: Dual-core Cortex-A7 up to 1.0GHz; Memory performance: DDRIII 256M; Support external TF: expandable to 128G; Game content: 64G (20000+ games), 128G (30000+ games); Support games for 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 emulators. 2. Use interface: HDMI-compatible output, 1080P, 720P. 3. Voltage input: 5V/1A/2A. 4. Features: Original 3K rocker, special game rocker for arcade, high sensitivity and antiskid design; 2.4G wireless controller gamepad; Support up to 10 kinds of classic simulators to play classic nostalgic games; The upgraded version of HD is more smooth and ready to play; Support wireless handle and wired handle, a drag two handle, support four people online to play. 5. Package Included: 1 * Game stick; 1 * HDMI-compatible cable; 1 * USB charging cable; 2 * Wireless gamepad; 1 * Receiver; 1 * TF card (64G, 128G optional); 1 * Manual.