Timeskey NFC 50pcs Ntag215 Tag Anti Metal Sticker Black Tags Compatible with Android & iPhone, 504 Bytes Memory, Fully Programmable

The package contains 50pieces BLACK anti-metal NTAG215 NFC stickers. The size is 25 mm (1 inch) round, brand new, paper material, writable, 3M self-adhesive backing paper. These NTAG215 NFC tags stickers feature with a layer of ferrite to allow for use on metal, aluminum and electronic surfaces.not use on liquid bottle surface. NTAG215 Chip with 504 bytes of available NDEF memory. It has a read-write lock function that can be repeatedly edited or read-only. Cannot be edited or reset after set as read-only tag..Note: Some of the iPhone Model can not support reading the nfc tags, so it can not recognizes the nfc tags, it is not tags problem,please understand it clearly before your buying. If you have any questions, feel free to contact us. We guarantee our customers the best service and solutions.