LZW NFC Smart Wearable Device Smart Ring Men’s Smart Ring Motivation Ring Fitness Ring Sleep Tracker Ring Echo Ring

Price: $21.06
(as of Jan 19,2021 17:05:30 UTC – Details)

General specifications:
Colour: Black
Ring width: US size
7, 8, 9, 10, 11, 12, 13, 14 (Please refer to the measurement table above for the correct size.) Weight: 5.2 g
Instructions for use:
1. First of all, please make sure that your smartphone has nfc function. It can usually be found in the system settings. If you can’t find the relevant option, please contact the manufacturer’s after-sales support or search on Google for whether the smartphone model has nfc function and confirm your nfc region.
2. If your smartphone has nfc function, please turn on the nfc switch, search for nfc software in the appstore, and then download and install it.
3. Start the nfc application and follow the instructions.
4. Since nfc is a near-field communication technology, when reading any data, make sure to place the top of the ring chip very close to the nfc area to avoid read and write failures.
2. Built-in 13.56 MHz high-frequency IC chip can be used to copy most contactless IC cards such as access control cards, elevator cards, parking cards, membership cards and consumer cards. .
3. Using a set of built-in 125 kHz low-frequency ID chips, you can also copy all contactless ID cards of the same frequency to the above various cards. The inner side of the metal ring embryo ring has 3 kinds of items that are beneficial to your health: far infrared energy spruce (red), rare metal germanium grains (bright metallic color) and high-quality volcanic mineral magnetite (dark metal) , Which gives the ring many health benefits and allows your body to restore balance and coordination. L
4. With ip68 waterproof grade design, it can be used in the entire scene, such as hiking, running or even swimming, but it should be dry cleaned to prevent the residual moisture in the ring from immersing in the finger skin for a long time.
5. It can be used without any power supply, which is very convenient.