Insect Repellent Ultrasonic Device

This is an ultrasonic pest repeller. It's a device that deters flying insects from approaching. To activate the device, long-press the area below or above the light that changes color. For charging, you can use a Type-C cable. When the ultrasonic pest repeller is operating and the light is purple, it appears the ultrasound is stopped. The diameter is approximately 3cm.