Black red NFC Forum Type 2 215 496 Bytes Chip Universal for Mobile Phone, All-Round Sensing Technology Wearable Smart Ring, Waterproof Ceramic for Men or Women (NFC Ring Black red 21mm)

eadable cards:
Because of readable and writable features, NFC tags allow people to change and read the data when you want, the chip inside can quickly read the data, please notice that a NFC-enabled device is needed.
Suit occasion:
You can use NFC 215 blank card to set a alarm clock, turn on and off WiFi, make a call, launch an application, join a network, show a message, share a contact, show address or location, update social media, open a web page, etc..
Features:
Product features:
Product chip: nfc215
Product frequency: 13.56MHz
Ring color:Black red on outer surface
Ring width: 6mm
Ring size: Standard American Ring Sizes 6 to 13 are available
Applicable crowd: male and female
Packaging: a beautiful ring and ring box
Material: zirconia ceramic+epoxy resin
colour: Black red
Reading distance: 1 cm to 5 cm (depend on the reader and using environment)
Function: read and write
Data storage time: more than 10 years
Package Includes:
1NFC smart ring
Warm notice:
Some phones are unable to read the nfc tags, please understand it clearly before making purchase.

Riversmerge NFC ring is blank. User can download some free NFC read-write APP then you can program the function as you want.
Riversmerge NFC ring is blank. User can download some free NFC read-write APP then you can program the function as you want.
Riversmerge NFC ring can be also used for mobile game which used NFC 215 chip after program.NFC ring can be also used for mobile game which used NFC 215 chip after program.
Riversmerge NFC ring uses 360-degree omni-directional sensing technology, the sensing effect is much higher than similar products in the market.
Riversmerge is made of zirconia ceramic material, which is very comfortable to wear.