Compared to tiptoi pin the quality is not as good. But the price is simply too high! The sound quality is much worse than the tiptoi, also processing. If the sound is somewhat louder set, rattling sound in the small speaker. The Ting system appears to be an optical, which is quite sensitive. The pen should not fall off so, so the reading head, nothing happens. When tiptoi infected another reading technology behind it, which is incorporated in the sides. The read head is less sensitive here. For the Ting-pen offers a wide range of learning materials, and for the school that are well done. Especially recommended for learning English.
