Features: Experience enhances sleep with the Schumann waves Generator, delivering a stable 7.83Hz low frequency resonances for natural bio rhythm alignment via Type C connectivities. Featuring precise 7.83Hz output, energy efficient Type C compatibility (0.5W), and a compactly portable design with durability materials for reliable daily use. Design for users, stressed professionals, and wellness enthusiasts seek natural frequency support to counter electronic device overexposure. Suitable for use in home studios, research lab, or any environment where stable frequency generation is important, thanks to its Type C power interfaces. With enclosure for added protections and portability,for flexible integration into existing setups. Specifications: Component: Plastic+Electronic Components Color: White Size:Approx.50x50mm/1.96x1.96inch Frequency: 7.83Hz Package Includes: 1pc Schumann Waves Generator(with Shell) 1pc USB Cable note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.