Marsboy Portable Mini Mushroom Stereo Speaker with Sucking Disk Bracket for Smartphones This speaker has a cute mushroom look. With a suction cup at the bottom, it can be used as a phone stand when placed upsidedown. Has a size and weight similar to an egg. Compact and portable. Bluetooth 3.0 + EDR. Mini size but great sound. Universally compatible with most bluetooth enabled devices. With a silicone suction cup at the bottom, it can be secured on any flat surface like desk, wall, door, car window, etc.