{"id":39253,"date":"2026-07-21T08:29:47","date_gmt":"2026-07-21T08:29:47","guid":{"rendered":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/product\/r4-smart-ring-classic-version-intelligent-wearable-device-build-in-4-rfid-cards-128gb-wireless-disk-sharing-many-nfc-functions-for-iphone-android-in-wearable-technology-12\/"},"modified":"2026-07-21T08:29:47","modified_gmt":"2026-07-21T08:29:47","slug":"r4-smart-ring-classic-version-intelligent-wearable-device-build-in-4-rfid-cards-128gb-wireless-disk-sharing-many-nfc-functions-for-iphone-android-in-wearable-technology-12","status":"publish","type":"product","link":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/product\/r4-smart-ring-classic-version-intelligent-wearable-device-build-in-4-rfid-cards-128gb-wireless-disk-sharing-many-nfc-functions-for-iphone-android-in-wearable-technology-12\/","title":{"rendered":"R4 Smart Ring Classic Version Intelligent Wearable Device Build-in 4 RFID Cards & 128GB Wireless Disk Sharing & Many NFC Functions for iPhone Android in Wearable Technology (12)"},"content":{"rendered":"\n

Product description <\/p>\n

\"JAKCOM\"JAKCOM JAKCOM R4 Smart Ring <\/p>\n

\n

IC \/ ID \/ NFC card simulationiOS Android dual platform Cloud Application \"Micro-crystal\"Micro-crystal Micro-crystal Zr ceramics <\/p>\n

\n

JAKCOM R4 whole body is entirely made of micro-crystal Zr ceramics.The device emits unique rounded luster. \"Marathon\"Marathon Marathon process <\/p>\n

\n

Each ring needs thousand times of CNC polishing.It takes 35 days to present the ring in front of you. \"Multi-frequency\"Multi-frequency Multi-frequency bands <\/p>\n

\n

it carries with multiple sets of RFID chip modules.And is capable of simulating four contactless RFID cards.From 125KHz to 13.56MHz. <\/p>\n

\"Personal\"Personal simulate IC cards or ID cards <\/p>\n

\n

Personal access card \/ Public access cardElevator card \/ Parking cardTime card \/ Medical card \"Shopping\"Shopping simulate IC cards or ID cards <\/p>\n

\n

Shopping card \/ Gas filling cardTurnstile card \/ Car keyMembership card \/ Customized card \"Brand\"Brand Brand new design <\/p>\n

\n

The newly designed circuit structure has greatly reduced the electric field disturbance between the modules. \"Hand-writing\"Hand-writing Hand-writing notepad <\/p>\n

\n

JAKCOM R4 can quickly open the dedicated notepad corresponding to the chip on any mobile phone. <\/p>\n

\"Information\"Information Information sharing <\/p>\n

\n

JAKCOM R4 can share various cloud information, e.g.,encrypted text, business card, web pages, network disk files. \"Endow\"Endow Information sharing <\/p>\n

\n

Endow each encounter with full of color. \"wireless\"wireless Wireless USB Flash Disk <\/p>\n

\n

Use ring touch to transfer any files, and each ring has exclusive 128GB storage space. \"Great\"Great Great New Tool for Efficiency <\/p>\n

\n

Transfer huge files within seconds without waiting <\/p>\n

\"Great\"Great Great New Tool for Efficiency <\/p>\n

\n

Leave deep impression on each courteous reception. \"Continuously\"Continuously Continuously updated <\/p>\n

\n

JAKCOM development team continues to update more special functions for R4 Smart Ring, and will update your device synchronously. \"No\"No No need to charge <\/p>\n

\n

JAKCOM R4 is driven by the radio energy of the read-write equipment.Charging is not needed. No need to worry about the battery life. \"Waterproof\"Waterproof Waterproof and dust-proof <\/p>\n

\n

The dust-proof waterproof level of JAKCOM R4 is IP68, and it can meet the application requirements of various environments. <\/p>\n

\"The\"The The Best Gift of The Year <\/p>\n

\n

JAKCOM smart ring has undergone updates for fourth generations,Unique and practical functions, superior technological quality, \"Packaging\"Packaging Packaging and Parameters <\/p>\n

\n

Carrier Frequency: 13.56MHZ, 125KHZIC Chip: CUID x1ID Chip: T5577 x1NFC Chip: Ntag216 x2Ring Weight: 9 Grams \"Real\"Real Real Photos <\/p>\n

\n

Comprehensive real-shot photos \"Size\"Size Size Selection <\/p>\n

\n

Standard US size, 8, 9, 10, 11, 12 <\/p>\n

The R4 whole body is entirely made of micro-crystal Zr ceramics, With excellent refractive index and chromatic dispersion, the device emits unique rounded luster;
The R4 Ring can be 1 IC cards(13.56MHZ CUID Chip) , 1 ID cards(125KHZ T5577 Chip) and 2 NFC cards(Ntag216 Chip) at the same time, such as Access control card, Turnstile card, Elevator card, Parking card, Time card, supermarket cards, gas cards, medical cards, etc;
The R4 Ring can quickly share your social account information to other phones, Almost include all mainstream social platforms;
The R4 Ring can quickly start many personal functions, such as Location Message, Virtual Call, the scene of MI Home Smart Devices, the script of Apple Shortcuts, etc;
The R4 Ring has exclusive 128GB storage wireless space, it can quickly share your files to other phones;
The R4 Ring is driven by the radio energy of the read-write equipment, Charging is not needed. No need to worry about the battery life. It can accompany with you in every single day.<\/p>\n","protected":false},"excerpt":{"rendered":"

Product description JAKCOM R4 Smart Ring IC \/ ID \/ NFC card simulationiOS Android dual platform Cloud Application Micro-crystal Zr ceramics JAKCOM R4 whole body is entirely made of micro-crystal<\/p>\n","protected":false},"featured_media":39254,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[99],"product_tag":[],"class_list":["post-39253","product","type-product","status-publish","has-post-thumbnail","product_cat-wearable-technology","first","instock","shipping-taxable","product-type-external"],"acf":[],"_links":{"self":[{"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/product\/39253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/comments?post=39253"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/media\/39254"}],"wp:attachment":[{"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/media?parent=39253"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/product_brand?post=39253"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/product_cat?post=39253"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/webcrowd.co.in\/amazonaffiliatedealsv1\/wp-json\/wp\/v2\/product_tag?post=39253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}