NFC Smart Ring For All Windows NFC Cellphone Mobile Phones Digital Rings K3ND

OOTDTY  
The smart ring is a fashionable and wearable electronic product
which is able to connect with a smartphone through Near Field Communication (NFC)
to complete function performing and data sharing.
Designed with high-level water resistance, it can be used without any power supply.
Embedded with NFC chip, it can only be connected to a smartphone with NFC function.
Place the smart ring within the NFC area of a smartphone to perform:
screen unlocking, app lock unlocking, app quickly launching, name card and URL information sending and reading, etc.

Specification:
Material:Titanium steel + NFC smart chip
Color:Black
Size:
US Size6/7/8/9/10/11/12/13
Quantity:1Pc.

Note:
Please allow 1-2mm errors due to manual measurement.
Due to the difference between different monitors,
there are color differences, please take the real product as the standard.

Package includes:
1 Pc NFC Smart Ring
(other accessories demo in the picture is not included.)