Color: Black Material: PC Main purposes: Wireless configuration of IoT devices Asset Tracking and Management Intelligent Packaging and Product Certification Passive sensor data recording Features: 1. This RFID tag supports dual interfaces of for I2C and NFC, enabling flexible data exchange. 2. for ISO/IEC 15693 standard and can be wirelessly read and recognized by mainstream mobile phones. 3. Equipped with 16Kbit EEPROM storage, suitable for data recording and configuration storage. 4. It can be used as a "for I2C to RFID" transmission system to wirelessly send and receive data from mobile devices. 5. Plug and play design, equipped with STEMMA QT interface, convenient for rapid integration and development. Product Introduction : This RFID tag works in the same way as other RFID tags on mobile phones, but can be reprogrammed through for I2C. This label displays a chip that complies with the ISO/IEC 15693 standard (13.56MHz) and can be read by mobile phones and tablets. Please note that the most popular RFID reader/writer chips like PN532 do not support the ISO15693 standard, so once you program the ST25DV tag, you will not be able to use these chips to read it! Color: Black Material: PC Package Contents: 1*Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.