Features:1. Widely used for NFC enabled devices.2. Use for NFC devices (like NFC mobile phones).3. Can be Written by Tagmo Works with for Switch.Description:Can use for Switch, you can store information or automatically Command (like Open URL, Make a phone call, Send SMS, Open a local file or an application, etc).Specification:Chip: Ntag215 NFC Forum Type 2 TagFrequency: 13.56MHzProtocol: ISO/IEC 14443 AMemory: 540 bytesUser Memory: 504 bytesColor:whiteMaterial: plasticOperating temperature: -40'C to +85'CPackage included:20 x NFC NTAG215 Credit Size White PVC Plastic CardsNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement.