R3 Smart NFC Multifunctional Ring 2016 for Android and Windows PhonesThe smart magic ring is a wearable gadgets components, runs magic functions on mobile phone, and operate the mobile function and share the data by NFC wireless frequency communication technology.Smart Ring Details- Liquid Tungsten - Amorphous Carbine Alloy- Epoxy Crystal Ceramic- Health Module: Germanium, Volcanic Magnet, FIR Energy Stone- Smart CDX - M1 and ID area is equipped with new dual-core NXP MCU chipset- NFC area carries a new NXP smart NFC chip- No need battery charging- IP68: Waterproof, dust-proof, fall-proofSmart Ring Functions- Private Note- Mobile phone lock- Quick start- Share infomationSpecificationCompatible with Android and WP mobile phones. All the Android and WP mobile phones with NFC function can normally apply it. At present, our Smart ring only supports the Android and WP mobile phones with NFC function.Size measurementVarious sizes are available. You will find the one suitable.1. In measurement, it is better to wind the finger to be worn with a fine rope or thread (non-flexible).2. Try to tighten the rope lest the size is too large for the finger. It is better to keep the error within 1mm.3. Straighten the rope and measure the length with ruler.Video: https://youtu.be/Vhw0c4r3JKY
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