Portable bluetooth speaker Music Sound Circle from the company Cellular Line with a power of 5 Watts. Designed for people who enjoy listening to music with friends. It is fully compatible and can be connected to any device. It has a Bluetooth 5.0 connection and accepts an SD card, a USB key or an AUX cable. Thanks to the elastic strap it has, you can place it in your backpack, so that you are never separated from your music.