There is a lamp in the upper left corner of oppo.

Breathing light mainly realizes the notification and corresponding reminder of charging through breathing light rhythm: ColorOS 3.0 and later versions: 1, and the setting path: "Settings >；; Notification and status bar > breathing light blinks when receiving notification], Settings > Notification and status bar > Notification management > Select the corresponding application >; Breathing light flashes ",turn on the switch, and the breathing light will light up when the message of the corresponding program is received in the screen state; 2. When the screen is closed and charged, the breathing light will light up. Before ColorOS 3.0: 1, turn on the notification switch and turn off the screen. When you have missed calls, unread text messages or notifications, breathing light lights up; When the switch was turned off, breathing light did not respond; 2. When the low battery switch is turned on, the breathing light lights when the battery power is lower than 10%; When the switch was turned off, breathing light did not respond; 3. Turn on the charging switch, and the mobile phone is connected to the charger breathing light; When the switch was turned off, breathing light did not respond; Remarks: breathing light function is related to mobile phone hardware. You can check whether the mobile phone supports this function by setting the path above. This answer applies to all OPPO models.