详细描述

Details

✭ high sensitivity, showing high-quality amplification effect

✭ built-in lithium battery, long life

✭ Support multiple courseware remote flip, let the teacher walk in the classroom to talk about

✭ dual microphone design, pickup good effect

✭ comes with laser pointer function

✭ support a key black / full screen function

✭ two sound mode switch

✭ three custom buttons for function expansion

• PREV：NONE;
• NEXT：Multimedia control box