·USB Powered Speaker with Bluetooth - Connection to PC, Mac or Chromebook with a single USB cable and simultaneously connect to your smartphone with Bluetooth 5.0. No need to take up valuable workspace, speaker conveniently attaches to the bottom of your monitor with easily accessible controls that include a multi-function button for simple switching between USB and Bluetooth, play/pause, volume up and down, and mic mute with LED indicator.Multi-Purpose Use - The CA-2890BT offers simultaneous connection to PC or Mac via USB and to smartphones via Bluetooth, making it flexible for hands-free calls on your phone, or for meetings on Zoom, Teams, Google Meet, Skype, or any other chat platform. Switching between USB and Bluetooth is simple and can be done with the push of a button. A great way to give your ears a break from headphones.Surprisingly Loud Sound - Also great for music or movies, this small speaker is an audio upgrade that produces surprisingly loud sound via a unique design that lifts and projects sound forward for a better stereo experience.Easy to Use - Ideal for small desks or minimalist setups the CA-2890BT is plug-and-play, no installation needed. Included USB A to USB C converter for your convenience to connect to newer laptops with limited or no USB A ports.