Complimentary phone tempered protective film of the same modelBe sure to confirm the size you want/need is in stock before orderingConnect the connection jack in the case to the phone and it will light up and goes out in a short time. It recognizes your phone. It lights up and lets you know when you get a call or message. It glows even when you press some buttons or hit the case. It glows with seven colors. All this is done automatically. You can't adjust. You can remove the connection jack and use it as a normal case when needed. As far as design goes, it's a great case. If your phone's Bluetooth is always on, the case may be on. Intelligent IC chip, super energy-saving LED light source, extremely low power consumption, does not affect the battery life. After the lock screen is in standby, it will automatically turn off in about 10 seconds. Precautions for disassembling the case If it is bent and disassembled like a normal case, the rear is made of tempered glass, the glass may be broken. Put your finger in the hole in the camera, hold the edge of the case, and slide it out for easy removal. Please be aware of product damage due to carelessness. If the phone is affected, the sensors may not work and the lights may no longer work. Our goal is to provide every client with the highest standard of customer service. If for any reason you are not satisfied with our upgraded iPhone case, please contact us and we will handle all quality related issues by replacement or refundReminder: If you do not want the case To glow, just unplug the case's connector from your phone. Note: Because there are many models of mobile phones, not every model has a picture of a mobile phone case, so the pictures are unified, but please rest assured that the model you purchased is the same as the model you received . Please check your phone model when purchasing.