Wider Compatibility Enjoy a hasslefree Audio experience with a single USB cable without the need for a power adapter.For some laptops wih only typec ports we specially prepare the usbc to usb adapter in the box.Real Diaphragms for Enhanced Bass Equipped with real bass diaphragms enhance bass performance and provide you with deep and powerful bass. Just get yourself fully and completely indulged in your favorite music or movies!Easy Control with Your Fingertips Multi buttons are precisely placed on the top of the desktop speaker Synchronously control the volume on your computer which means you dont need to individually adjust the system volume and the speaker volume.Avoid Messy Cables There is NO need for 3.5mm AUX headphone jack only the USB cable can transmit both audio and electrical power to USBPowered Speaker.Perfect aftersales service 1Years manufacturers warranty 2 months unconditional refund. Please trust our aftersales team we do our best to make you feel the best service. If you have any questions please check the manual or the box to contact us we have a professional team to solve your problems within 12 hours.