Self Discipline Phone Lock Portable Mobile Phone Lock Box Timer Smartphone Locking Case Safe Timed Lockbox Self-Discipline Keepin Box Limit Cell Phones UseOverview: 1. One Inch of time and one inch of gold, the time when the phone is "isolated" really belongs to oneself. 2. Support mobile phone charging. The phone is retracted into the timing box, you and the phone are charged at the same time, your efficiency is fast charging. 3. Efficient learning vs mobile phone interference, the best dispute resolver. 4. Button A: Turn on the screen, set the time, emergency unlock, study room mode, cancel the set