Main Feature

1. During charging, the white light pulses in a breathing pattern; when fully charged, the light remains steady.

2. Press and hold the power button for 1.5 seconds to turn on. The white light illuminates and the device enters the first vibration frequency.

3. Tap the power button to cycle through 7 vibration frequencies in sequence.

4. When low battery (battery voltage remains below 3.3V for 3 seconds), the light rapidly flashes until the device automatically shuts down.

5. Press and hold the power button for 1.5 seconds to turn off the device.

6. Charging case operation: During charging, the case displays a steady red light; when fully charged, it shows a steady green light. When the case is not charging, placing the device inside will initiate charging. The case remains unlit, while the device displays a pulsing white light. A fully charged case can provide two full charges for the device.