Innovatively designed portable mini Bluetooth speaker - only one-eighth the size of traditional Bluetooth speakers. Cleverly, it utilizes the popular bone-sensing vibration technology to convert sound waves into vibrations of any object, making it easy to to trigger the sound experience you want, even . The louder the vibration, the louder the sound. Enable truly wireless Bluetooth-Bone-inspired induction technology to fill your world with sound, turning any object into a speaker. No more complicated sensor configurations are needed, two speakers can be connected wirelessly at one time, bringing you double the volume and fun, easily transforming any space and creating an immersive music scene. The Perfect stand for musicians - it provides the perfect accompaniment to your instrument wherever you go. Plug your favorite tune into a guitar player, or put it into the sound hole of a piano to create an imaginary automatic performance. No matter where you go, it inject power chords into your journey. and portable, it is the for travel accessories - it can be put in your suitcase or even your pocket, so you can enjoy high-quality audio wherever you go. It is a must-have for travelers and the gift for music lovers. Long-lasting battery, three hours of continuous playback - With the battery, it can provide up to 3 hours of music playback on a single charge, constantly powering up your music experience and making every moment full of action. Colour:Black Material:Metal Package Contents: 1 * Portable Mini Bluetooth Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.