?Perfect after-sales service?1-Years manufacturer's warranty, 2 months unconditional refund. Please trust our after-sales 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. Contact us please when you are not satisfied with it. ?Wider Compatibility?Our Pc speaker for desktop with the latest built-in decoder chip are compatible with Laptops,Pc and some android Phones with type-C port, as long as they have the latest audio drivers installed for the sound card. USB C to USB Adapter in the box will make the speaker work well with Type-C port only devices like Samsung phones,Macbook Air,Pro,Huawei phones or other devices. More Compatible than other speakers with only USB cable. ?Multi-Functional Buttons?There are 3 buttons on the top of external speakers for laptop,which are volume up, volume down and mute button.The design of the top of the button allows you to adjust in the most convenient, effortless and intuitive way.Normal pause button can only pause the sound of music software, but not stop the video and other sounds. So when you urgently need to stop playing sound, just press the mute button and you can do your things without worry. ?Plug and Play?Our desktop speakers are built with the latest decoder chips for 99% of the computer systems on the market like Windows7/8/8.1/10,Linux,Mac Air/pro, enabling plug and play.Forget 3.5mm Aux cord today.The oval appearance and single USB design can save the space of your desktop to the greatest extent, making it simple and succinct. ?Loud&Rich Bass?Our Laptop speakers are built with extra-large 3-inch Rubber ring horn which ensures that the usb speaker produces surprisingly loud and heavy bass in a limited cavity.The golden 30-degree design of the hearing allows music to reach your ears directly, avoiding the loss of music to the maximum extent.Please note that due to the limitations of the cavity, our sound cannot be compared to some speakers with subwoofers in terms of bass.