Charge your Galaxy Tab™ 8.9 conveniently at your desk while checking email, listening to music via the 3.5 mm stereo line-out port, or just taking in your favorite photos in digital picture frame mode. Data sync to PC – pictures, videos, music, contacts, calendar. 3.5mm audio out jack for external speakers or home stereo connection. The multimedia dock has HDMI pass through which allows you to connect the HDMI adapter to the multimedia dock to connect the TAB to your home entertainment center. (HDMI adapter sold separately)