Samsung GALAXY Tab 8.9 Full Size Keyboard Dock 3.5mm Stereo audio output connects to external speakers for enhanced sound for music, games and movies. (Cable NOT Included) Charger Input to allow charging while docked when using charger and cable supplied with your Samsung Galaxy Tab 8.9 Device. (Charger and Cable are NOT Included) Shortcut keys on Keyboard activate key features of your Samsung Galaxy Tab 8.9 including Internet, eMail and Music/video controls. Galaxy Tab 8.9 Device is Not Included. Compatible With Galaxy Tab 8.9