Умные кольца NFC многофункциональное водонепроницаемое умное кольцо для ношения пальцев цифровое кольцо для смарт-браслета для фитнеса

Descriptions:
Lock and unlock your Smart phone or tablet quickly, hide the app when you leave your smart phone alone Share & Transfer information (send the private message/Picture/business card/ website link to the person you want to share by a simple touch)
Control Applications (you can write a fixed process list ahead of the time, and the ring will start the applications each time by simply touch.
Water Resistant and No charging required Support All Android and Windows NFC Mobiles.
Quickly start the phone application, in advance will need to quickly start the startup command written in the smart ring, when the smart ring touches the phone will automatically find and start the .
Multi-functional NFC smart ring, the main function is to store and exchange personal information, as well as mobile content and personal privacy encryption unlock, support for Apple, , , and other DNF-enabled mobile phone.
Specification:
Item type:Smart rings
Material: Stainless steel.
Color:black, silver.
Chip: NFC chip Working frequency
band: 13.56MHZ Storage
space: 144BYTES Transmission
rate: 106kb / s
Uses: set up smart lock, card recharge, smart phone unlock, phone important file lock, transfer files.
Features: No charge, mable read-only lock function, 7-byte serial number clone protection
Size:8,9,10,11,12 (cm/inch)
Size diameter girth
8 1.82 / 0.72 5.7 / 2.24
9 1.9 / 0.75 5.98 / 2.35
10 1.99 / 0.78 6.24 / 2.46
11 2.07 / 0.81 6.5 / 2.56
12 2.15 / 0.85 6.75 / 2.66
Package included:
1 x Smart Ring
Notes:
Transition: 1cm=10mm=0.39inch
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.