Ring Nfc Jakcom R4s of 2025
Best Choice1
itapringTungsten Ring Digital Business Card - Waterproof NFC Ring - Social Media Sharing & Instant Contact - Tap to Share NFC - iOS and Android(Gold-#12)
Main highlights- The sustainable option: no more paper business cards, one ring for all your networking and connecting purposes.
- Others don't need app: The NFC ring allows you to share your information with anyone - no app is required for others to receive your information.
- Note: NFC-enabled cell phone is required. And NFC function needs to be turned on. Please contact us if you have any questions.
- New business partners: you can share your online store and branded website. If you are an art creator, you can share your creative work to get more attention.
- Brand new design: NFC Smart Ring is made of high quality material tungsten steel, which is hard, corrosion resistant and waterproof.
- A more convenient way to socialize: Simply touch our smart NFC ring to the other person's phone and instantly share your contact information, social media profiles, Website information.
9.7Exceptional
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Value for Money2
RGTTOTGUpgrade RGTTOTG CDS Smart Card Reader Writable Key ID IC NFC Card Replicator Reader 125KHz Frequency Identification Card Writer for R4 R5 Smart Ring Reading Writing
Main highlights- G. Obtain Software: When you connect this card reader to your computer, you can find the software on your computer, convenient and simple operation.
- F. High Efficiency and High Speed USB: USB transmission line connected to the device, immediate response, no need to install drivers, quickly read the card number
- E. Read and Write IC Semi and Full Encrypted Card: Place the card on the reader and press Read on the software to begin decrypting. √ means successful decryption and X means failed decryption. After successful decryption, the software will display the card number. Place a writable chip with a writable 13.56MHz on the reader, then press Write Type a on the software.
- D. Common Frequency Identification Card Read and Write: Put the card on the card reader, and then according to the software read EMID to scan the card. The software will scan and display the card number. Place a writable 125KHz chip on the card reader and press Write EMID on the software.
- C. CDS=CD2+ID2, is an upgraded device of the CD2 read-write card replicator. It can be used not only for R5 smart rings, but also for R4 smart rings, and can read and copy 98% of IC ID NFC RFID cards. Some fully encrypted cards may not be able to read or write, please pay attention to the prompts for this feature when purchasing
- B. Widely compatible with the Windows operating system, plug the CD2 device into a USB port, click on the device to download the required software for installation, and once the installation is completed, it can be used. CD2 has the characteristics of simple and convenient operation, fast reading and writing speed, strong reading and writing ability, and high success rate in reading and writing
- A. Working Frequency: The working frequency of this card copier reader is 125KHz/13.56MHz, support IC ID dual frequency replication, support NFC label
9.6Exceptional
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3
JAKCOMJAKCOM R4 Smart Ring New Version Intelligent Wearable Device Build-in 4 RFID Cards & 128GB Wireless Disk Sharing & Many NFC Functions for iPhone Android (12)
Main highlights- 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 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.
- The R4 Ring has exclusive 128GB storage wireless space, it can quickly share your files to other phones;
- 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 can quickly share your social account information to other phones, Almost include all mainstream social platforms;
- The R4 Ring can be 1 IC cards(13.56MHZ) , 1 ID cards(125KHZ) and 2 NFC cards at the same time, such as Access control card, Turnstile card, Elevator card, Parking card, Time card, supermarket cards, gas cards, medical cards, etc;
9.5Excellent
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4
ZYZMZYZM R4 Smart Ring: Multifunctional Lord of The Rings Compatible with iOS and Android, No Recharge, Waterproof and Dustproof (Black, Size 10#)
Main highlights- Waterproof and dust-proof?The dust-proof waterproof level of R4 is IP68, and it can meet the application requirements of various environments. R4 is driven by the radio energy of the read-write equipment.No need to worry about the battery life. It can accompany with you in every single day.
- The built-in featured cloud services ? It can be used directly without APP installation and is Applicable to Android and iOS dual platforms.Virtual call?Scene notification?Hand-writing notepad?Information sharing?continues to update more special functions for R4 Smart Ring, and will update your device synchronously.
- R4 is a multifunctional RFID finger ring,The built-in IC and ID modules can take the place of Access card, Parking card, Membership card, Shopping card and other RFID cards;The built-in NFC module can realize Virtual call, Scene notification, Business card sharing, Memo sharing and other featured cloud services.IC / ID / NFC card simulation | iOS Android dual platform Cloud Application, is capable of simulating four contactless RFID cards.
- R4 Smart Ring:whole body is entirely made of micro-crystal Zr ceramics.By virtue of the low thermal conductivity it has a gentle touch sense as jade. Possess 4 times the hardness of aluminum alloy, calmly deal with all kinds of scratches in daily life.With excellent refractive index and chromatic dispersion, the device emits unique rounded luster.
- Multi-frequency bands and multi-standards:From 125KHz to 13.56MHz, JAKCOM R4 can simulate encrypted IC cards or ID cards in a variety of formats,help you to effectively deal with all-fields card swiping scenes:Personal access card / Public access card?Elevator card / Parking card?Time card / Medical card?Shopping card / Gas filling card?Transportation card / Car key,Membership card / Customized card?NFC cloud services flying its own colors?
9.2Excellent
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5
PongnasR4 Smart Ring, Wearing Scenario Notification IP68 NFC Ceramic Ring for Android Phones (Size 10)
Main highlights- Share Cloud Information: R4 can share various cloud information with one key, such as encrypted text, electronic business cards, website pages, and network disk files.
- Power Supply: R4 is powered by the radio energy of the reading and writing device, which does not require charging, and there is no need to worry about battery life. It is a device that can accompany you day and night.
- NFC Modules: Through the two sets of NFC modules, it is possible to run its built in numerous characteristic cloud services separately. No need to install an app for direct use, and suitable for both for Android and for IOS platforms.
- Frequency Band: From 125KHz to 13.56MHz frequency band, the R4 ring can simulate encryption cards or cards with multiple format standards
- Ceramic Material: The R4 ring is made of microcrystalline ceramics, with excellent refractive index and dispersion performance, giving off a unique round luster overall.
9.1Excellent
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6
VGEBYVGEBY R4 NFC Smart Ring, Ceramic Waterproof Quickly Trigger Intelligent Smart Ring for Mobile Phone (Size 9) R4 Smart Ring
Main highlights- Share Cloud Information: R4 can share various cloud information with one key, such as encrypted text, electronic business cards, website pages, and network disk files.
- Quickly Trigger: R4 can quickly trigger a real timed call on any phone. R4 can quickly trigger multiple preset notifications on any phone. R4 can quickly open the corresponding chip's exclusive notepad on any mobile phone.
- Power Supply: R4 is powered by the radio energy of the reading and writing device, which does not require charging, and there is no need to worry about battery life. It is a device that can accompany you day and night.
- Nano Characteristics: The nano characteristics of external rigidity and internal flexibility are attributed to the low thermal conductivity of microcrystalline , which gives R4 a warm and jade like touch.
- Ceramic Material: The R4 ring is made of microcrystalline ceramics, with excellent refractive index and dispersion performance, giving off a unique round luster overall.
9.0Excellent
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7
JAKCOMJAKCOM R5 Smart Ring New Intelligent Wearable RFID Device Build-in 13.56mhz 125khz 6 RFID Cards & 128GB Wireless Disk Sharing & 2 Health Stones & Many NFC Functions for iPhone Android (L)
Main highlights- The R5 Ring is inlaid with two energy stones to improve human EMFs.
- The R5 Ring has the unique Tai Chi design of double colors on front and back sides, which is a new fashionable accessory;
- The R5 Ring has exclusive 128GB storage wireless space, it can quickly share your files to other phones;
- The R5 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 R5 Ring can quickly share your social account information to other phones, Almost include all mainstream social platforms;
- The R5 Ring can be 2 IC cards(13.56MHZ) 2 ID cards(125KHZ) and 2 NFC cards at the same time, such as Access control card, Turnstile card, Elevator card, Parking card, Time card, supermarket cards, gas cards, medical cards, etc;
8.8Very Good
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8
hecere14% OffHecer Waterproof Ceramic NFC Wearable Smart Ring, Universal NFC Forum Type 2, All-round Sensing Technology, Wide Surface Fashion Ring (11#)
9.3 Simple to use8.7 Comfort8.0 DurabilityWhy we love it
Highly customizable with free NFC read-write apps.
Comfortable zirconia ceramic material.
360-degree omni-directional sensing for superior performance.
8.7Very Good
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9
TRANMERCETRANMERCE R4 Smart Ring, Ceramic Design, NFC Compatibility, IP68, Long Range Communication, Multi Format Frequency Support, for Active Lifestyles (Type 8)
Main highlights- Universal Access with Multi-Format Support: With support for a range of frequency bands (125KHz to 13.56MHz), the R4 Smart Ring simulates multiple encryption cards, providing best access across various systems and devices.
- Sleek & Stylish Ceramic Design: Crafted from high-quality microcrystalline , the R4 Smart Ring offers a unique, shiny finish and a luxurious, jade-like touch that elevates your style effortlessly.
- Seamless NFC Compatibility: Instantly unlock a world of convenience by using your R4 ring with NFC-enabled devices. Compatible with both and Android smartphones, no app installation required!
- Improved Transmission Distance: Featuring an upgraded circuit structure, the R4 ring offers 3x the transmission distance of previous Series, ensuring smooth, long-range communication with card readers and devices.
- Enhanced Durability with IP68 : Enjoy all-weather wear with confidence—R4’s design protects it from rain, sweat, and water exposure, making it the accessory for active lifestyles.
8.6Very Good
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10
hecerehecere Waterproof Tungsten Steel NFC Forum Type 2 215 496 Bytes Chip Universal for Mobile Phone All-Round Sensing Technology Wearable Smart Ring（Black Blue Tungsten NFC ring-17mm）
Main highlights- HECERE is made of Tungsten steel smart ring, which is very comfortable to wear.Please note that due to the presence of RFID chips in the product,The coil surrounds the ring,Each ring has a closed connecting line，If you want this smart ring with RFID function，So please accept this imperfect craftsmanship
- HECERE NFC ring uses 360-degree omni-directional sensing technology, the sensing effect is much higher than similar products in the market.
- HECERE NFC ring is blank. User can download some free NFC read-write APP then you can program the function as you want.
- HECERE NFC ring can be also used for mobile game which used NFC 215 chip after program.
- HECERE NFC ring In-built with rewritable NFC Forum Type2 215 chip, can be used as NFC business card, automaticly send link, fast connect to WIFI/Bluetooth, ect...It is for most of Android NFC phone.
8.4Good
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- HECERE is made of Tungsten steel smart ring, which is very comfortable to wear.Please note that due to the presence of RFID chips in the product,The coil surrounds the ring,Each ring has a closed connecting line，If you want this smart ring with RFID function，So please accept this imperfect craftsmanship
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