The phone shell connector is inserted into the phone for the first time, and it will stay on for 3-5 minutes. This is the phone automatically matches the phone. The phone case will automatically glow when the screen is on, a call is received, or when APP is pushed. After turning off the screen, there is a slight delay and the phone case turns off the light. If there is an APP running in the background, it will delay turning off the light and occasionally trigger the light. Normally turning on the Bluetooth of the mobile phone may cause the case of the mobile phone to be constantly on, the ultra-energy-saving LED light source, low power consumption, and does not affect the battery life of the phone. Support various models of Apple 11/12 series Glass back shell, silicone edging, smart light-emitting, super anti-drop The phone shell connector is inserted into the phone for the first time, and it stays on for 3-5 minutes. This is for the phone to automatically match the phone. The phone case will automatically glow when the screen is on, a call is received, or when APP is pushed. After turning off the screen, there is a slight delay and the phone case turns off the light. If there is an APP running in the background, it will delay turning off the light and occasionally trigger the light. Normally turning on the Bluetooth of the mobile phone may cause the case of the mobile phone to be constantly on, the ultra-energy-saving LED light source, low power consumption, and does not affect the battery life of the phone.