Description: Features: 100% brand new and high quality. Compatiability: 1) Support 13.56mhz RFID and NFC IC reader/writer, for example: Acr122u reader/writer 2) Support Smart mobile phones with NFC function. Brand Smart phone: for Sony, for HTC, for Samsung, for Nokia, for LG include for Blackberry, for Nokia Lumia, for Nexus4/10, for Galaxy S4, and other mobile phone could support NFC function. Andriod system Phone could download the NFC software, such as the for Google play NFC Task Launcher, NFC ReTag Pro Security Software. Application: Check in, mobile payment, product information query, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, posters, healthcare, book borrowing, etc. Specifications: Material: PVC Color: White Size: (diameter) 25mm/0.98in (Approx.) Chip: Ntag215 Usable capacity: 504 bytes Protocol: ISO14443A Working frequency: 13.56 MHZ Reading and writing distance: 1 to 5 cm Reading and writing time: 1 to 2 ms Working temperature: -20 to 55 degree, humidity of 90% Erase times : > 100000 times Data storage: > 10 years Reading time: 100000 times Quantity: 1 Set(10 pcs) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: (No retail package) 10 X NFC TAG Sticker Key Tag