DIYEAH 1 Set of Portable Wrong Question Printer Label Printing Machine Handheld Label Printer Mini Label Printer(White

Take pictures and immediately, easy to use, it can give you a great convenience.
Use without ink , low running costs. Save time on handwritten wrong questions and increase productivity.
USB charging design, wireless connection of mobile phone, charging at any time and use at any time.
Take notes on wrong questions, it is easy to record and organize your wrong questions.
Lightweight and compact size, it can be put in a backpack, you can use it anytime, anywhere.