E-INK VOCABULARY CARD E2E-ink vocabulary card, a fragmented time learning tool designed for students, is small and portable to carry around.E2是以学生为主要群体而设计的单词记忆工具。可以利用碎片化时间进行学习和单词记忆，小巧便携，可以随身携带Contains 9 languages.After connecting with your phone via Bluetooth, you can import the study materials and choose the study mode in the mobile APP. Use the fragmented time and improve the learning efficiency.E-ink can bring…