Sonoff NFC-Tag

【Chip Feature】215 chip has 540 bytes larger capacity, and can be read and written more than 10,000 times.
【Wide Compatible】Compatible with NFC-enabled phones (iOS 13 and above, Android with NFC technology)
【Metal Resistant Capacity】Built-in anti-metal layer for use on metal surfaces. laminated white PVC cards with glossy finish and waterproof PVC material, effectively protecting the NFC chip inside.
【Easy to Use】Tap the NFC Tag with your phone to turn on the smart devices with ease.
【Convenient】You can carry it with ease and use it wherever, or stick it on the wall or desk.