Features: 1. Small and compact, easy to carry and easy to put in a handbag. 2. Powered by USB cable, no need for AUX, no volume knob, plug and play, convenient and fast. 3. Anti-jamming and stereo. 4. Deep bass and crystal clear highs. 5. Space-saving design, they can be placed next to your computer without compromising your precious desk space. 6. Built-in speakers to balance and enhance the sound of laptops, computers, PCs, tablets for work, music, movies, games and more. 7. High-quality stereo that fills your room with music, movies or computer games and lets you be there. Applicable scene Enhance any media experience at home, office, kitchen, basement or on the go. Upgrade your muted or faint computer internal speakers. USB Speaker for Windows PC, Desktop, Laptop.. Daily playback needs, static listening at home or in the office. How to adjust the volume 1. Open the device you need to connect to the USB speaker. 2. Make sure the speaker body and plug are not damaged, insert USB plug into the USB jack of device to provide power. 3. Turn on the music on your device, make sure your device output sound is not muted.4. Adjust the volume on your computer. Use tips:if you plug it in and it doesn't play, check your settings first. When you plug it in, go up to the volume control and switch the audio output from internal speakers to USB. Specification: Connectivity:USB Number of speakers: 1 USB Cable Length: 47 inches Connection radius: direct connection Package: -1 x USB Speakers