The Tetris Micro Card is the ultimate on-the-go gaming hardware for those moments where you want to take a quick Tetris break! The Tetris Micro Card is powered by Arduboy, the game system the size of a credit card. The Arduboy team has developed customized hardware that delivers an amazing and officially licensed Tetris experience! Brilliant OLED display in portrait layout for optimal Tetris game play. Super durable construction featuring six control buttons and mute switch USB rechargeable with six hours of battery life.