ZYZM R4 Smart Ring Multifunctional Lord of The Rings is Compatible with iOS and Android No Need to Recharge Waterproof and dustproof IC/ID Card (11#)

Product sizes: US standard size 8, 9, 10, 11, 12 Carrier frequency: 13.56MHz, 125kHz RF distance: 1 ~ 3cm IC module type: CUID ID module type: T5577 NFC module type: Ntag213 Ring material: Ceramics Protection grade: IP68 Operating temperature range: -50℃-80℃
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?
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.
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.