Chip: NXP Ultralight. Memory capacity: capacity of 64 byte working frenquency is 13.56MHz. Read and write distance: 0~5 cm Read from and is related to the environment and the read/write device power use. Such as: circular posted on a mobile phone battery read from 20mm/15-20mm; Can be used with NFC speaking reading and writing. Time to read and write: 1-2 milliseconds working temperature: - 20 ? to 55 ? humidity is 90%)Wipe: number > 100000 timesStorage: > 10 years. Same function with Sony Xepria Samsung TecTile. Tag is blank of countless according to you can download some free software such as "NFC Task the Launcher" edit labels tags can be repeatedly wipe N times Android NFC mobile phones can download the corresponding to the Google Play software NFC speaking reading and writing in the Android Market has a lot of free software.