Feature:1.High-quality sound suitable for enjoyment at work or other small space. Treble sound fill a room with so much music comes through crisp and clear which provides you a more enjoyable stereo sound experience with this elegant and sleek sound bar speaker.. 2.Simple operation: Plug in the USB port for power and plug the red cable for microphone and the green cable for earphone. Rotate the knob to adjust volume or power on/off.. 3.Fits your desk perfectly: The ultra-slim sound bar is tailored to save precious space and avoid cluttering, widely used in office and bedroom, portable and light weight but delivering a noticeable stereo sound, yet it isn't too loud to disturb your partners, you can enjoy as you want without sacrificing valuable desk space.. 4.Wide compatibility: It works with any device that has a USB port or a standard 3.5mm headphone jack, such as PC, computer, laptop, tablet, microphone, headset, smart phone, projector, MP3, MP4, Walkman, CD player. Enjoy your favorite games, music and movies.. Specification:. Material: ABS Plastic. Input Connection: Support 3.5mm audio input.. Output Power: 4Ω 3W*2. Playing Format: MP3/WAV. Control: volume control / power switch / earphone jack / microphone jack. Size: 40cm*5.5cm*5.5cm. Weight: 480g. Package Included:1 x Speaker1 x User Manual