Expander USB Hub Audio Adapter - 3 USB 2.0 Port allowing you to connect Multi USB devices; 3 3.5mm Audio Port for earphones, headphones, speakers, microphone. Multiple ports can be plugged in at the same time, no additional adapters are requir | USB Hub with Sound Card - External Sound Card with an audio chip is ideal to replace your defective sound or audio port card. Ideal for Skype / ICQ / Google Hangouts / TeamSpeak, it is also suitable as a second source for simultaneous operation of speakers and headphones | Louder and Audio Effect - with Volume Control button allow you to adjust the volume directly; with EQ button can change to different sound effects as needed to have a better experience, increasing the level of game audio, music, or movies audio. It prevents electromagnetic interference and enjoys stable and optimal sound quality. | Convenience for Use - Supporting the Plug and Play hot-swap feature, no drivers are required; Cable length 3.93ft(120cm), can be connected to the back of the desktop computer and sits the USB audio hub on top of the desk. | Wide Applications - Compatible with 3.5mm devices like headphones, Speaker, Headset or Microphone; Work for PC, Laptop, etc. such as Keyboard, Mouse, Card Reader, HDD, USB Disk, webcam, mp3 players, etc,; Compatible with PC/Laptop/Desktop; Compatible with Windows XP, 7, 8, 8.1, 10