R4 Smart Ring Health Fitness NFC Waterproof Ring Smart

Get the R4 Smart Ring Health Fitness NFC Waterproof Ring Smart from our factory. A high-quality, waterproof smart ring for health and fitness tracking. Shop now!
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PRODUCTS DETAILS

Basic Info.

Model NO.
R4
Label Category
Passive
Structure
Read-Write Card
Application Field
Market
Power Supply Mode
Active Card
Frequency
High Frequency
Data Transmission Mode
Serial
OEM
Support
Fast Delivery
Support
Sample Order
Accept
MOQ
100PCS
Transport Package
Cartton Box
Specification
5.8cm * 5.8cm * 4.5cm
Trademark
MB
Origin
China
Production Capacity
2000/Day

Product Description

Micro-crystal Zr ceramics 
R4 whole body is entirely made of micro-crystal Zr ceramics.
With excellent refractive index and chromatic dispersion, the device emits unique rounded luster.
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