• Dual function bone conduction speaker and vibration speaker: This portable wireless speaker combines bone conduction technology and a vibration speaker, allowing it to be attached to various material surfaces for use By attaching it to walls, glass, wood, and more, you can enjoy different music effects for each material • BLUETOOTH CONNECTION AND LED DYNAMIC BREATHING LIGHT: Easily connect with your smartphone or tablet as a Bluetooth speaker Additionally, it features built-in LED dynamic breathing lights that change with the music, providing a visual treat • Dynamic LED Breathing Light: Our speakers are equipped with a dynamic LED breathing light, adding a touch of elegance to your music experience The lighting changes color and intensity in sync with the rhythm of the music, creating an immersive visual effect Valentine's Day Present • Adhesion function to various materials: This speaker can be adhered to the surface of various materials Enjoy different acoustic effects for each material such as walls, glass, metal, wood, etc., providing a new music experience • Warm Tip: Place the bone conduction speaker on an empty box of materials such as wood, paper, PVC, glass and so on to experience magical music effects This is the gift of music brought by high-tech