JWFKWNH 20PCS RFID keyfob NFC Keychain NTAG215 Key Fob Tags Proximity ID Card NFC Tag, 13.56MHz Key Cards ABS Material Access Controller Suitable for Door Entry Access Control

["【High Quality】The NFC key fob is made of high-quality ABS material, the shell is strong and durable, has good waterproof, shockproof and anti-corrosion performance. Black background and white cover","【NTAG215 Chip】 NFC Keychain built-in 215 chip, with 504-byte memory. The NFC tag chip 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; As for Amiibo only can edit once.","【 Widely applicable 】 ble for all NFC supported devices, including access control, Amiibo, mobile phones, you can use it to set alarms, update social media... Attention: Some phones do not support third-party NFC tool applications, this is not an issue with NFC tags. Please understand this clearly before purchasing!","Including 20PCS black NFC keychains, these cards have dimensions of 43 * 34.5 * 4.3mm. NFC keychain with keyring, you can use it anywhere.","You just need to hover your phone over the NFC keychain, and the data will be directly sent to your phone. The keychain does not require batteries, has sufficient inventory, and is shipped in a timely manner"]