Price: £34.83
(as of Jul 26,2021 22:15:07 UTC – Details)
Virtual call ： R4 can quickly trigger a timed call on any mobile phone.
Save worry and make：your family relieved at busy moments
Hand-writing notepad ： R4 can quickly open the dedicated notepad corresponding to the chip on any mobile phone.
Information sharing ：R4 can share various cloud information,e.g., encrypted text, business card, web pages, network disk files.
No need to charge ： R4 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.
Carrier frequency: 13.56MHz, 125kHz
RF distance: 1~3cm
IC module type: UID
ID module type: T5577
NFC module type: Ntag213
Ring material: ceramic
Protection level: IP68
Operating temperature range: -50℃~+80℃
Marathon process: Each ring needs to undergo forging for 2 days, sintering in a 1400 ℃ furnace for 5 days, thousand times of CNC polishing,/coating and other post-procedures.It takes 35 days to present the ring in front of you.
Nano feature: By virtue of the low thermal conductivity of Micro-crystal Zr ceramics, R4 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.
New flagship of smart ring : R4 is the fourth generation smart ring.It carries with multiple sets of RFID chip modules and is capable of simulating four contactless RFID cards.Once again, it becomes a new flagship product.
Brand new design, brand new breakthrough: The newly designed circuit structure has greatly reduced the electric field disturbance between the modules.Compared with the previous generation of products, ithas increased the transmit-receive distance by threetimes, and can be easily compatible with a variety of card reading devices.
