FAQ

• Besides the reading function, does the reading pen have other functions?
  Many reading pens also have a recording function, which can be used to record children's reading voices, etc. Some have a on - demand playing function, through which children can play stories, nursery rhymes and other content they want to hear by voice commands. There are also those with an intelligent interaction function, which can have simple conversations and question - answer games with children, helping them learn and improve their language skills.
• Can the reading pen download other resources?
  It depends on the brand and model of the reading pen. Some reading pens support downloading more reading resources, learning materials, etc. from the official website or the designated app store, such as different versions of English textbooks, extracurricular reading materials, etc. However, some reading pens have fixed built - in resources and do not support additional downloads.
• How does the reading pen achieve the intelligent tutoring function?
  Some intelligent reading pens achieve intelligent tutoring through built - in artificial intelligence algorithms and a large knowledge database. When a child points to a question they don't understand with the reading pen, the pen can extract relevant knowledge points and explanatory content from the database according to the question content and answer. It can also analyze the child's learning situation and provide personalized learning suggestions and tutoring plans.
• What age group of children is the reading pen suitable for?
  Generally, the reading pen is suitable for children aged 2 - 12. For children aged 2 - 6, it can be used to learn simple Chinese characters, English words, nursery rhymes, stories, etc., cultivating language basics and reading interests. For children aged 6 - 12, it can be used to learn textbook knowledge, expand extracurricular reading, and improve English listening and speaking skills.
• Can the reading pen be used in school?
  Some schools allow students to use reading pens to assist in learning in class or after class, especially in language learning classes such as English. The reading pen can help students better practice pronunciation and read texts. However, some schools may not allow its use in class due to considerations such as classroom management. It depends on the school's regulations.
• What is the working principle of the reading pen?
  The reading pen uses optical image recognition technology, etc. The pen tip has OID optical identification, and the OID code on the book carries the associated data of audio, video and other multimedia information corresponding to text, pictures and other contents. By identifying these codes, the reading OID pen finds the corresponding multimedia resources from its own storage and plays them out, realizing functions such as reading and speaking. This application of OID technology for books allows for an immersive, multi-sensory learning experience by linking physical pages to digital assets.
• How to use the recording function of the reading pen?
  Generally, the reading pen is equipped with recording stickers. Stick the sticker on picture books, etc., enter the "recording mode" of the reading pen, click the sticker to start recording, and click the sticker again after the recording is finished to play the recording.
• How to ensure that the product quality meets the requirements?
  We have a strict quality control system. Starting from raw material procurement, we inspect each batch of raw materials. During the production process, multiple quality inspection links are set up, including semi - finished product inspection and finished product sampling inspection. Before the finished product leaves the factory, a comprehensive quality inspection is also carried out to ensure that the product meets or exceeds the quality standards stipulated in the contract. At the same time, we have obtained [list relevant quality certifications, such as ISO 9001, etc.] quality certifications, which prove our ability and level in quality management.
• What payment methods are available?
  We accept a variety of payment methods, common ones include T/T (telegraphic transfer), L/C (letter of credit), PayPal, etc. The T/T payment method is easy to operate. Usually, after the contract is signed, the buyer needs to pay a certain proportion of the advance payment (such as 30%), and the remaining amount is paid before shipment or within a specified time after receiving the goods. The L/C payment method is relatively safe, with the bank acting as a third - party to guarantee payment, which is suitable for transactions with large amounts and low mutual trust. PayPal is suitable for small - value transactions, which is convenient and fast, but it will incur certain handling fees.
• What transportation methods can be provided?
  We mainly provide three transportation methods: sea freight, air freight and express delivery. Sea freight is suitable for transporting large - quantity goods, with relatively low costs but longer transportation times. Air freight is fast and suitable for goods with high time requirements, high value and light weight. Express delivery services are convenient, with door - to - door pick - up and delivery, and are suitable for transporting small - quantity and urgent goods. Common express delivery companies include DHL, FedEx, UPS, etc.
• Who are we?
  Our headquarters is located in Guangdong, China. Since 2012, our products have been sold to Southeast Asia (40.00%), Western Europe (20.00%), the domestic market (20.00%), North America (10.00%), and South America (10.00%). There are about 50 members in our office.
• How do we ensure quality?
  There is always a pre - production sample before mass production; and there is always a final inspection before shipment.
• What can you buy from us?
  Reading pens / educational toys / learning machines
• Why should you buy from us instead of other suppliers?
  We are an experienced manufacturer, having been active in this industry for many years. We provide a full - range of services. We have our own recording studio, publishing house, old - code engineering team, and software team.
• What is an OID Pen & How Does It Work?
  OID (Optical Identification) technology uses invisible dot patterns printed on paper that can be recognized by the pen's infrared camera. This allows for precise positioning and interactive content playback.
• What makes OID technology better than other reading pen technologies?
  OID pens offer higher accuracy, support larger print areas, and enable more interactive features compared to traditional OCR or QR code solutions. The invisible dots don't affect visual design while providing rich multimedia interactions.
• Can you customize the OID pen for our specific educational content?
  Yes, this is our core expertise. We provide complete OID solution customization including: • Custom content development for any curriculum or language • Specialized dot pattern printing for your books • Branded hardware design and packaging • Software integration with your learning platform • Multi-language support and localization
• What age groups are your OID pens suitable for?
  Our OID technology is adaptable for all age groups: • Preschool (3-5 years): Basic vocabulary, phonics, stories • Elementary (6-10 years): Reading comprehension, language learning • Special education: Assistive learning tools • Corporate training: Interactive manuals and guides
• How does the OID pen achieve intelligent tutoring?
  Through our proprietary software that includes: • Adaptive learning paths based on user performance • Pronunciation correction using speech recognition • Progress reports and learning analytics • Interactive feedback and encouragement system
• What is the working principle of the OID reading pen?
  The OID (Optical Identification) pen works by using a high-speed micro-camera at the pen tip to scan invisible dot codes printed on the paper. These codes are mapped to specific audio files stored in the pen's memory. When the pen touches the code, it instantly triggers the Sonix chipset to decode and play the corresponding sound, creating an interactive "point-and-read" experience.
• What makes OID 3.0 technology better than older versions?
  OID 3.0 offers significantly higher recognition density and faster response times (<0.1s). It supports a wider range of colors and textures, meaning it won't interfere with the book's original artwork. It also has better error correction, ensuring the pen reads accurately even at different angles.
• What can I buy from Dimdu besides the reading pen?
  We provide a complete interactive learning ecosystem, including Bluetooth-enabled pens, AI-powered speech recognition pens, recordable stickers, and custom-printed OID books. We are a one-stop-shop for educational publishers.
• Can the reading pen download other resources or audio files?
  Yes. Our pens support content updates via USB or Wi-Fi (optional). Users can download audio resources provided by their specific publishers. For our B2B partners, we provide a proprietary tool to manage and update audio libraries seamlessly.

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