LZW NFC Smart Wearable Device Smart Ring Men's Smart Ring Motivation Ring Fitness Ring Sleep Tracker Ring Echo Ring,12
1. Has a set of built-in ndef protocol standards for high-speed nfc chips, with the following functions: connect a smartphone to complete function execution and data sharing, so that you can access many interesting and convenient functions. Place the smart ring in the nfc area of ​​the smartphone to perform: screen unlocking, application lock unlocking, application quick start, business card and web address shipping, and reading information.
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.