wireless bluetooth gamepad controller for nintendo switch console gamepads controllers joystick game joy-con

1) four leds are blinking quickly and circularly, it means that the controller is in code pairing or connecting back state. 2) leds blink quickly during connecting, it means that the controller is in low battery state. 3) a single led is solid bright, it means that the controller is connected to the console properly. 4) low voltage indication: when the controller battery voltage is at 3.6v-3.4v, the led indicators blink quickly for low voltage alarm; when the controller battery voltage is lower than 3.4v, the controller is turned off automatically and can`t be turned on.