• Dual function bone conduction speaker and vibration speaker: This portable wireless speaker combines bone conduction technology and a vibration speaker, which can be attached to various material surfaces for use By attaching it to walls, glass, wood, and more, you can enjoy different musical effects for each material • Bluetooth connection and LED dynamic breathing light: As a Bluetooth speaker, it can easily connect to smartphones and tablets Additionally, it features built-in LED dynamic breathing lights that change with the music, providing a visual enjoyment as well • 7.5W High Output and 360 Degree 3D Surround Sound: 7.5W powerful output provides clear and powerful sound Equipped with 360-degree 3D surround sound technology, you can experience a three-dimensional sound effect no matter where you are in the room • Adhesion function to various materials: This speaker can be adhered to surfaces of various materials Enjoy different acoustic effects for each material such as walls, glass, metal, wood, and more, providing a new music experience • Warm Tip: Place the bone conduction speaker on an empty box made of materials such as wood, paper, PVC, or glass to experience a magical music effect This is the gift of music brought by high-tech