Feature: 1. Dancing Ferrofluid Visualization: Music rhythm light companion showcases mesmerizing visualizations of audio frequencies through the movement of magnetic fluid in response to your favorite music or ambient sounds. It makes for an exceptional desktop decoration piece. 2. Sensitive Audio Response System: Equipped with an advanced built in microphone, accurately captures sound vibrations and transforms them into captivating magnetic fluid dances, providing instant visual stimulation for your auditory environment. Note: Speaker not included; does not produce sound on its own. 3. Multiple Modes: This music mate offers convenient picking up and AUX modes, giving you the flexibility to interact with music in various ways. Enjoy live music visual effects or synchronize with pre recorded tracks for dynamic light shows, enhancing your auditory experience. 4. Extended Battery Life: Powered by a rechargeable li battery, the dancing ferrofluid can easily be charged with a TYPE C cable. Once charged, it can continuously operate for up to 8 hours, serving as a dependable source of entertainment or relaxation without the need for constant recharging. 5. Innovative Design: Ferrofluid sound visualizer combines the elements of magnetic fluid, a pickup, and AUX functionality in a compact 3.9 x 3.9 x 4.2in size. With features like 5V 1A input, 6‑8 hours of full battery life, and an operating temperature range of ‑10°C to 50°C. Specification: Item Type: Ferrofluid Sound Visualizer Material: ABS, glass Battery: Li battery capacity 3000mAh (built in) Product Size: Approx. 98 x 98 x 106mm / 3.9 x 3.9 x 4.2in 1. Input 5V 1A 2. Working time at full charge: 6-8 hours 3. Operating temperature: -10°C to 50°C Key Selling Points: 1. Magnetic fluid 2. Pickup 3. AUX. Package List: 1 x Ferrofluid Sound Visualizer (Assembly Parts x 2) 1 x Power Cord 1 x AUX Cable 1 x Handle Magnet 1 x User Manual Note: Speaker not included; does not produce sound on its own.