1.educational pen 2.Language switch,translation 3.Interactive game and test 4.4GB memory and TF card world ... : USB 2.0 High Speed Rechargeable lithium battery:260mAh/3.7VCharger700mA/5VApplication of the talking pen:Read out what and ... learning: teaching materials, dictionaries, words cards, audio lesson tally book…3) Adults’ learning: languages learning, tourism manual, Quran reading, Bible ...