... ours specialization CODE on the book 1,(syring pen)The pen can use with any books ,if you ... make learning fun. At present ,the magic pen is used mainly in education and families chirldren ... benefit of private language tuition from the magic pen . so welcome the publishing company to cooperate ... 9Earphone 10. USB download/flash memory storage 11 Auto-switch off(power save) 12, Lithium Battery Charging ...