sonoff nfc tag mobile phone contact nfc tag notepaper smart home accessories

【Chip Features】The 215 chip has a larger capacity of 540 bytes and can be read and written more than 10,000 times.
Compatible with NFC-enabled smartphones (iOS 13 and later versions, Android devices with NFC technology)
【Anti-Metal Capability】The card features an internal anti-metal layer designed for metal surfaces. The laminated white PVC card is finished with a glossy treatment and water-resistant PVC material, effectively protecting the embedded NFC chip.
With just a tap on the NFC label with your phone, you can easily turn on your smart device.
【Convenience】You can easily carry it with you and use it anywhere, or you can also stick it to the wall or table.