5.25" Multifunction Internal speaker with 2 port USB TS-SP2U Features: 1.5.25?Internal speaker with 3D sound & voice volume control 2. 2 x USB port, 1 x phone jack , 1 x Line in jack, 3.With HDD space 4. Volume Control 5. LED Power Indicator 6. Power from motherboard 7. Internal USB cables direct connect with motherboard 8. Dimension: 190 x 148 x 42 MM Specification: Speaker 2 x 3W Frequency 245Hz-16KHz PMPO 20 Watts Packing: Internal speaker Screw pocket Slim plastic for dust cover back PC case