[Customizable Frequency] The default setting is 7.83Hz, adjustable from 0.01Hz to 200kHz. You can customize the frequency to your liking. Built-in LED indicators clearly display the operating status, allowing you to understand its operation at any time and completely eliminate any doubts about whether it is working properly. The screen automatically turns off after 30 seconds of inactivity; this is not a malfunction, but a normal phenomenon

[Programmable Timer]This frequency generator supports custom timers from 1 to 24 hours, so you don't have to worry about forgetting to turn it off after using it all night. Set the timer 1-8 hours before bedtime to let it gently accompany you through the night and automatically turn off after you fall asleep. It is perfect for meditators with fixed meditation times. The device operates quietly without any vibration

  [Suitable for Multiple Scenarios] Office – Can be placed on a desk. Powered by a USB-C interface, it's convenient for extended use. It operates silently, so it won't disturb colleagues Creative & Spiritual Space – Compact and lightweight, it can be easily placed in a tea room, study, or any corner where you want to create a quiet atmosphere. Protected by an acrylic casing, it has a sleek and modern design

  [Safe and Portable]This Schumann resonance generator features a sturdy and durable acrylic case. It supports 5V USB power, eliminating the need for a bulky adapter. Measuring only 5.1 x 4.7 x 0.8 inches, it easily fits into backpacks and suitcases, making it ideal for business trips, vacations, and hotel stays. Plug and play, requiring no complicated setup, it's the perfect choice for meditation enthusiasts and busy individuals