BEST SOUND FOR THE PRICE: The clip-on laptop soundbar has two mini stereo speakers, making it great for sound balance and enhancement when enjoying music, movies, and computer games CLIP-ON USB SPEAKER: The clip-on mount allows the portable mini stereo speaker to easily clamp at the frame of device, vertically and horizontally. Clamping range: 0.2″ - 0.7″ VOLUME CONTROL: With the drive-by-wire technology and humanization design of the wired controller, it's easy to adjust the volume with one simple control for the clip-on speaker