This small appliance prevents you from using your smartphone by locking the lid after you put your phone inside and set a timer. For those who need to concentrate, such as for studying for exams, preparing for qualifications, or working remotely, but have weak willpower and find themselves looking at their phone... The transparent lid has holes, allowing for minimal operations such as answering phone calls. Please see the photos for the condition. Type-C charging - Display: Digital display - Color: White - Features: With transparent cover Thank you for looking.