100 Pieces NFC Tags Ntag215 Coin Card NFC White Rewritable Round NFC 215 Cards with Adhesive Backing 25mm Compatible with iPhone and all mobile phones

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. ★ Small NFC coin-shaped tags: The package contains 100 pieces of circular diameter 25mm NFC coin-shaped card NTAG215 tags. Each NFC card has adhesive on the back for easy application. Compact and easy to carry, it's not only fun, but also perfect as a small gift for friends and family. ★ High Quality NFC Card: Our NFC tag stickers are carefully designed, rigorously tested and made of new PVC material, which is durable, waterproof, wear-resistant and non-toxic. Adhesive backing is easy to fix and can be applied almost anywhere, even near water, without losing functionality. Note: Cannot be used on metal surfaces. ★ Wide application: Compatible with TagMo and most NFC-enabled Android phones and devices, you can easily write NFC tags to any weapon, pet, mount, or fashion item. Quickly share social information, music, WiFi connections, business cards, URLs, text, security, authentication purposes, and more. NFC cards are rewritable, so they can be used multiple times to store different data and information (Amiibo can only be edited once and cannot be reused). ★ NTAG215 Chip: High quality NTAG215 chip has 504 bytes of NDEF memory. Provides enough storage space to quickly write the information you need. It has a read/write lockout feature that allows you to edit or make the NFC card read-only as many times as you like, and it cannot be edited or reset after being set as a read-only tag. Please note that blank NFC tags can be read/written over 100,000 times, but are not suitable for use in strong magnetic environments. ★ WORRY-FREE GUARANTEE: We are confident that you will love our NFC tags. If for any reason you are not satisfied with the NFC card or have any questions, please feel free to send a message to the seller through Amazon. NFC coin specifications Chip type: NTAG215 Available memory: 504 bytes Operating frequency: 13.56MHz Protocol:ISO/IEC 14443A &18000-3 NFC Forum Type: NFC Forum Type 2 Tag Sticker: Adhesive back Reading distance: 0~10cm Material: PVC Data retention period: ＞ 10 years Size: Diameter 25mm/1 inch. Thickness: 0.8mm Product features ★Each NFC card has an adhesive back for easy installation and can be placed almost anywhere. ★Compatible with TagMo, suitable for Android, iPhone, and NFC-enabled phones and devices. Easily write NFC 215 tags and make tags for weapons, pets, mounts, and fashion items. ★With this NFC coin card, you can DIY NFC devices according to your different needs, such as contact information sharing, Wifi sharing, business card, payment, URL, text, door access, security, authentication purposes, etc. ★This NFC 215 tag is made of durable waterproof PVC material and can be placed outdoors or near water without losing functionality. Coin cards are smooth, shiny and wear-resistant. How to program NFC NTAG215 card? 1. Please make sure your mobile phone supports NFC (Android OS 5.0 or later/iOS 13 or later). 2. Download NFC Tools or other apps suitable for NFC. 3. Open the NFC Tools app, select the "Read" or "Write" option, click "Write", select "Add Record" and select the type you want to program from the list. When programming is finished, the programming record will be displayed below. Select the "Write" option and place the NFC tag near your phone's NFC sensing area, and the data will be entered directly into the tag. 4. Place the NFC tag near the NFC sensor area of your phone and check if the application you created is correct. If you don't know how to program NFC tags, search and watch videos on TikToks, YouTube, and Google.