Product Description: duraMOBI Mini Wireless Bone Conduction Speaker with BT 5.0 Discover a new dimension of sound with the duraMOBI Bone Conduction Speaker, a compact and innovative audio device that transforms your listening experience. Perfect for music lovers on the go, this speaker combines cutting-edge technology with a sleek design. Turns Anything Hollow into a Speaker: Experience the magic of turning any hollow object into a speaker with this mini bone conduction device. At just 4.3cm (1.69") in diameter, it is the smallest on the market, offering a unique and impressive sound experience wherever you are. Simply power it on, connect via Bluetooth, and enjoy. Different Surfaces, Different Sounds: The Hum-Pro speaker leverages bone conduction technology, allowing you to explore a variety of sound effects by placing it on different smooth surfaces. Whether it's mirrors, guitars, Kraft boxes, plastic storage containers, photo frames, sports headphones, or dashboards, each surface offers a distinct auditory experience. Immersive Stereo Experience: Elevate your audio with true wireless connectivity. Pair two HumBird Pro speakers for a 2.0 surround sound experience, or connect multiple speakers for a multi-speaker mode that delivers stunning sound effects, perfect for any setting. Enhanced Visual and Auditory Enjoyment: Add a visual flair to your music with the rhythm lamp mode. Activate it by pressing the power button four times after turning on the speaker. The RGB color-changing light effect enhances the ambiance, while adjustable EQ modes—BASS, MIDDLE, TREBLE, and normal—allow you to customize your sound experience. Compact and Portable Design: Designed for convenience, this speaker comes with various accessories, including magnetic base stickers, a suction cup sticker, and a lanyard, providing multiple installation options. Its compact size of 4.3cm in diameter and 3.4cm in height makes it easy to carry and use wherever you go. Embrace the future of portable audio with the duraMOBI Bone Conduction Speaker, and enjoy a versatile, high-quality sound experience that adapts to your lifestyle.