Stable and Reliable - Ensures stable frequency output with default 7.83Hz and voltage amplitudes of 3V for sinusoidal and 5V. Multiple Waveforms - Provides sinusoidal, and inverted options for versatile applications. Promote Relaxation and Well Being - Emits a sinusoidal that creates a relaxing environment. Advanced Specifications - Powered by a USB interface and boasting a frequency of 7.83Hz, our Generator is less than 1W of rated power, which ensures efficient utilization of . Compact and Convenient - Compact size of 10.2x8.1cm and USB powered for easy carrying and use or while traveling., Weight: 0.3527396192 pounds, Manufacturer: puhae