The stylish keyboard provides efficiency and convenience. How? There is an USB 2.0 extension port built in for plug and play devices, headphone and microphone jacks built in on the left side of keyboard. The umbrella structure key cap is similar to the laptop key caps of which reduces typing noise and increases key stability. This Ultra-Slim profile keyboard has 6 multimedia hot keys, headphone and microphone jacks on the left side of the keyboard.