Product parameters: Product Category: Gaming Dongle Main control frequency: Dual-core Cortex-A7 up to 1.0GHz Memory performance: DDR3 256M Support external TF: expandable to 128GB Game content: 64GB (20,000+ games), 128GB (30,000+ games) Supports arcade games, 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 Use interface: HDMI-compatible output, 1080P, 720P Voltage input: 5V/1A or 5V/2A Specifications: Features: - Original 3K rocker game controller for arcade use, high sensitivity and anti-slip design - 2.4G wireless controller gamepad. Supports up to 10 kinds of classic emulators to play nostalgic games - Upgraded version for smoother performance and ready-to-play functionality - Supports wireless and wired controllers; supports four-player multiplayer 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 (32GB, 64GB, 128GB optional) 1 x User manual