These Laptop or PC speakers are perfect for every home and office. 2 way USB speakers USB powered Built in volume control Perfect for laptops/pc/computers/television Frequency response: 150HZ-20KHZ Size: 175 * 75 * 40MM On/Off button 600w peak Includes headphone jack Lightweight Portable Compact High quality Package Content: 1 pair USB Speakers laptop portable multimedia sound music PC desktop TV speakers Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.