Features: Experience the scientifically backed benefits of the 7.83Hz resonance frequency with our programmable generator, featuring precise frequency stability for enhanced wellness support. This versatile generator offer adjustable frequencies from 0.1Hz to 30KHz, 2 pattern optional. Ideal for biohackers, meditation practitioners, electronics enthusiasts, and anyone seeking potential benefits related to relaxation, focus improvement, or sleep enhancement through exposure to specific frequencies. Use this portable waves generator conveniently at home for meditation, place it on your office desk for concentration support, or utilize it in a lab setting for frequency related experiments and research projects. Enabling simple operate when connecting to power banks, USB chargers, or any standard USB power for performances. Specifications: Component: Plastic Supply voltages: 5V Default frequency:7.83Hz Adjustment ranges: 0.1Hz~30000Hz Sinusoidal signals voltages amplitude: 3V Square waves signals voltages amplitude: 5V Size with shell: about 155x105x28mm/6.1x4.13x1.1in Pattern: With Shell / Without Shell Package Includes: 1 Set Resonance Generator note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.