Features: Experience natural energy of the Schumann Waves Generator, 7.83Hz low frequency pulse that promotes relaxation and enhances overall well being. This device features advanced integrated chip and low temperature drift crystal oscillator, ensuring high efficiency and accuracy in generating Waves signals for performances. Ideal for individuals improved sleep quality, stress relief, and enhances focusing, this generator is perfect for anyone harmonized their living or working environment. Use it in your bedroom to aid sleep, in your office to boost productivity, or in creative space to inspire innovation and creativity, making for various setting. With its easy to use Type C interfaces, this Schumann Resonator seamlessly integrates into any space, providing not intrusive solution to enhances your life.<br/ Specifications: Comonent:ABS Working voltages: 5V Working current: 10-16MA Power port: Type C Frequency: 7.83Hz Size:Approx. 72x72mm/2.83inch Package Includes: 1Pc Pulse Generator note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.