Intelligent groove reading pen for children's audio practice calligraphy

Intelligent groove reading pen for children's audio practice calligraphy
Function: Point reading, recording, intelligent update; Specification for groove design writing
Materials: ABS environmentally friendly plastic+food grade silicone+lithium battery;
Storage: 8G;
Battery: 480mAh;
Size: 13.3 x 2.5cm;
Packaging: 30.5 x 26 x 6cm;