Bullet Points:
Flexible Sine Wave Generator: You can freely replace frequency settings on this frequency generator, which defaults to 7.83Hz resonance and delivers pure sine waves. Its broad frequency adjustment range and wide-band adjustable output make it work well in many scenarios
Portable USB Power: The calmity frequency generator utilizes a universal USB connection and convenient USB power supply, providing hassle-free portable setup. With support for power banks and adapters, it is suitable for indoor environments
Clear Display: The calminity frequency generator provides real-time frequency reading on a user-friendly HD digital tube display for seniors. Its easy control and digital display allow effortless frequency tuning, letting seniors adjust the unit at home daily
Dust-Shielding Frequency Machine: Built with a transparent protective shell and multiple ring PCB coils, the frequency machine protects the circuit board from dust and keeps the desktop tidy. Its sleek, high-tech aesthetic fits easily into daily frequency machine uses at home
Instant Desktop Sound Machine: This compact desktop sound frequency machine works instantly on power-up, requires no complex installation, and has a minimal space footprint. It is a practical gadget for enthusiasts to enjoy frequency sounds in a study or hallway
This 0.01-9999Hz adjustable calamity frequency generator produces sound wave resonance. Use its 7.83Hz setting for meditation and sleep. Place this device in a bath, or near a bed, to support health at home. This frequency generator offers adjustable sound wave resonance for your daily wellness routine.

Specification
Product name: frequency generator
Material: ABS
Weight: 143g
Size: 110*78*13.5mm (with housing) / 4.33"x 3.07" x 0.53"
Frequency: The power-on default is 7.83hz, the frequency is adjusted to 0.01-9 99 9hz (digital meter display)
Power supply interface: Typ-c interface
Supply voltage: 5V2A
Rich expansion interfaces: The device has a reserved 3.5mm headphone jack, which can be connected to external headphones or speakers. Corresponding beeps can heard at different frequencies (the higher the frequency, the sharper the sound, and it is inaudible when it is higher than 2000kHz). It can also drive LED lamp beads below 1W, making it convenient for scientific research enthusiasts to conduct verification experiments.

List
frequency generator x 1
Note:
1. Due to lighting effects and display angles, the product may have color differences.
2. Due to manual measurement, there may be errors in product size, please understand.
3. This device is a frequency signal generator, and the effects described are for reference only.
4. The effective coverage range of the device is about 10 square meters, and the effect may be weakened beyond the range.
5. Please do not disassemble or modify the internal circuit without permission to avoid affecting the frequency accuracy or causing damage.