... in 2x2w speakersCase ColorBlack/Silver (Optional other colors) Function High Accuracy: 2mmHigh Response Speed :< 16ms, High ... / TV, industrial, control and POS terminals.Full Function Wireless Remote ControllerBuilt-in speaker/amplifier and earphone jackTouch ... buildings, model rooms, property brokers;Entertainments: Movie theaters, fitness halls, country clubs, clubs, massage rooms, bars, cafes ...