<p>Use it for: instant relaxation, deeper meditation, improved sleep, and imprinting frequencies onto objects. </p> <p></p> <p>How to use: Plug the device into a wall socket, laptop, or power bank using the provided USB-C power cable. Connect headphones to the device or connect the device to a speaker using an AUX cable. Enter the desired frequency using the touchpad on the device. Press OK. </p> <p></p> <p>Specifications: </p> <p>Working voltage: DC 5V (DC 4-15V) </p> <p>Working current: 9-14mA </p> <p>Power interface: Type-C (supports Type-C to Type-C power supply) </p> <p>Default frequency: 7.83Hz </p> <p>Adjustment range: 0.01Hz to 30,000Hz, pure sine wave </p> <p>Signal voltage amplitude: 3V </p> <p>Equipped with 3.5mm audio output </p> <p>Housed in an acrylic shell </p> <p>Dimensions: 155 x 105 x 26mm (with shell) </p> <p>Weight: 300g (with shell) </p> <p></p> <p>Package includes: </p> <p>1 x Frequency Generator Device (with acrylic shell) </p> <p>1 x USB Cable </p> <p></p> <p>Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement.</p>