1.Visual Music Experience: Transform your music into a visual masterpiece with the dancing ferrofluid with music rhythm. The magnetic fluid dances to the beat, creating mesmerizing shapes and speeds that offer a unique and captivating visual enjoyment. 2.Dynamic Rhythm Display: Enjoy the dynamic changes of magnetic fluid under warm white light. The magnetic fluid speaker responds to different music rhythms, providing a visually pleasing experience that enhances your listening pleasure and adds a new dimension to your music enjoyment. 3.Long-Lasting Enjoyment: Equipped with a built-in lithium-ion battery, this ferrofluid speaker offers up to 8 hours of continuous playtime. Perfect for all your outdoor activities, it ensures you can enjoy the visual and auditory experience without interruption. 4.Versatile Decor Piece: This music rhythm lamp serves as a HI-FI speaker companion, sound companion, creative desk ornament, magnetic fluid display stand, voltage balance toy, magnetic fluid dance lamp, and metronome for piano. It's a versatile addition to any space. Place it next to your speaker and watch the ferrofluid desk toy dance to the rhythm of the music. This beautiful display not only enhances your music experience but also helps relieve stress and tension, providing a soothing visual treat. Specification: Origin: Mainland China Size: 172*106*54mm/6.77*4.17*2.12inch Material: Plastic Shell Battery Capacity: 4000 mAh Power: 10W Liquid Tank Capacity: 100ml Note: It Is Not A Speaker And Cannot Make Sound