--- product_id: 84608243 title: "Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black)" brand: "rumfo" price: "183 zł" currency: PLN in_stock: true category: "Aht" url: https://www.desertcart.pl/products/84608243-rumfo-mj02-smart-ring-consumer-electronics-mobile-phone-accessories-2018 store_origin: PL region: Poland --- # Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black) **Brand:** rumfo **Price:** 183 zł **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black) by rumfo - **How much does it cost?** 183 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/84608243-rumfo-mj02-smart-ring-consumer-electronics-mobile-phone-accessories-2018) ## Best For - rumfo enthusiasts ## Why This Product - Trusted rumfo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Length:11#  |  Color:Black Product Features: --Amorphous Titanium Alloy --18K Rose Gold --Epoxy Crystal Ceramic --High Speed NFC Dual-core Chips 1. The “I” , ”II” Letters area carries a new High speed smart NFC Dual-core chip. 2. It has 106 KB/s data transmission, and 100,000 cycles of writing operation durability degree, can store data for 10 years, and effectively guarantee the safety and stability of the data. 3. Besides, it brings top speed operation experience to the following mobile NFC features. note:Position with "I" is chipset A,Position with "II" is chipset B,Each chipset can write in different functions( In usage, please make sure "I" or "II" is in the central part of finger , Only by correct wearing, the chip in each area can give the best reading and writing performance --Multi-function APP(note:only support NFC-enabled phone,And android or Windows phone system) 1.Private Note: 2.Mobile phone lock : 3.Whisper 4.Magic business card 3.Quick start: 4.Share information: 5.ETC.. --The key of Intelligent door User can set Smart ring as the key to door according to the matching process of intelligent door lock. It supp- orts all NFC door locks , for example, Samsung series. --other Features Waterproof dust-proof and fall-proof Real jewelry-level dimension ## Features - 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. Size Chart please check the image - Quickly start the phone application, in advance will need to quickly start the program startup command written in the smart ring, when the smart ring touches the phone will automatically find and start the program ； At present, our smart rings only support NFC-enabled Android phones and Windows Phone phones. ## Images ![Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black) - Image 1](https://images-na.ssl-images-amazon.com/images/I/31LEMfjqDRL.jpg) ![Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black) - Image 2](https://images-na.ssl-images-amazon.com/images/I/51JMOICaTGL.jpg) ![Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black) - Image 3](https://images-na.ssl-images-amazon.com/images/I/51EcADR3ueL.jpg) ![Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black) - Image 4](https://images-na.ssl-images-amazon.com/images/I/51Wzz%2BrrFbL.jpg) ![Rumfo MJ02 Smart Ring Consumer Electronics Mobile Phone Accessories 2018 Trending Products Android Smart Watch With NFC Function Phones Smartwatch (11#, Black) - Image 5](https://images-na.ssl-images-amazon.com/images/I/51WDFr63uLL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/84608243-rumfo-mj02-smart-ring-consumer-electronics-mobile-phone-accessories-2018](https://www.desertcart.pl/products/84608243-rumfo-mj02-smart-ring-consumer-electronics-mobile-phone-accessories-2018) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-10-15*