This is a Bluetooth speaker with a sucker design and metal buckle. It plays music through the connection between the smartphone and tablet. Bring you a real stereo. A waterproof Bluetooth speaker allows you to listen to music and relax in the bathroom. Equipped with convenient noise reduction speakers, you can always get high-definition sound quality. There is a big suction cup on the back of the wireless speaker, and you can fix it on the desktop, wall, or another smooth surface. This portable mini Bluetooth speaker has a metal buckle, which can be wirelessly hung on clothes or backpacks for easy carrying.