Welcome to our store!

1, Ceramic Material: The R4 ring is made of microcrystalline zirconium ceramic, with excellent refractive index and dispersion performance, presenting a unique round luster. 2、Nano Characteristics: The nano characteristics of external rigidity and internal flexibility are attributed to the low thermal conductivity of microcrystalline zirconium, giving R4 a warm and jade-like touch. 3、Upgrade Circuit Structure: The newly designed circuit structure greatly reduces interference from the electric field between different modules and increases the transmission distance by three times compared to the previous generation product, making it easily compatible with various card reading devices. 4、Frequency Band: From 125KHz to 13.56MHz frequency band, the R4 ring can simulate encryption cards or cards with multiple format standards 5、NFC Modules: Through the two sets of NFC modules, it is possible to run its built-in many characteristic cloud services separately. You don't need to install an app for direct use and it is suitable for both Android and IOS platforms. 6、Quickly Trigger: R4 can quickly trigger a real-time 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. 7、Share Cloud Information: R4 can share various cloud information with one key, such as encrypted text, electronic business cards, web pages, and network disk files. 8、Power Supply: R4 is powered by the radio energy of the read and write 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.

Item Type:Smart Ring
Material: Ceramic, electronic components
Protection Level: IP68
Applicable Models: All phones with NFC function

1 x Smart Ring

1 x Instruction

Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.