Ceramic Waterproof Smart Ring for Phones

Share Cloud Information

R4 allows you to share various cloud contents with just one key. This includes encrypted text, electronic business cards, web pages, and network disk files. With R4, managing and sharing cloud information has never been more effortless.

Nano Characteristics

The external rigidity and internal flexibility of R4 are attributed to its microcrystalline structure, which has low thermal conductivity. This unique design gives R4 a warm and jade-like touch, making it both durable and comfortable to hold.

Power Supply

R4 operates on the radio energy of the reading and writing device, eliminating the need for charging or battery maintenance. This device is perfect for continuous use, day and night, without any interruptions.

Quick Trigger

R4 can quickly initiate real-time calls on any phone, and you can also preset multiple notifications to be triggered with just one touch. Additionally, it can quickly open the exclusive notepad of any mobile phone's specific chip.

Ceramic Material

The R4 ring is crafted from microcrystalline ceramics, providing an excellent refractive index and dispersion. This material imparts a unique, round luster to the device, enhancing its aesthetic appeal and functionality.