JCRing 2301B Smart Ring – High-Tech Fitness, Sleep Analysis, 24/7 Activity Tracking,Multiple Size
€177,10
Key Features：
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Military-Grade Health Tracking – 24/7 monitoring of heart rate (HR), blood oxygen (SpO2), HRV (heart rate variability), sleep quality (deep/light/REM cycles), and stress levels with medical-grade accuracy.
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Elite Fitness Companion – Tracks calories burned, steps, distance, workout intensity, and recovery metrics with pro-level analytics – perfect for athletes and gym enthusiasts.
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NASA-Inspired Design – Aerospace-grade titanium alloy construction – ultra-lightweight (3.2g), hypoallergenic, and scratch-resistant for 24/7 comfort.
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Smart Life Integration – Call/SMS alerts, app notifications, music control, and remote camera shutter – all from your ring. Works with both iOS + Android.
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5ATM Waterproof + 10-Day Battery – Swim, shower, and train worry-free with 50m waterproof rating. Industry-leading 10-day battery life with 20-minute quick charge.
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Wireless charging, battery supports about 7-10 days with default setting of auto health vitals monitoring per day
Brand：JCRing
Model：2301B
App Support：Both iOS & Android supported; App free language added
Sensors：Goodix PPG Sensor (Green LED + Red LED + IR)、Skin temperature sensors (negative temperature coefficient sensors)、Bosch 3D Accelerometer
Materials：Durable titanium + PVD Coating + Non-allergenic, non-metallic, seamless inner molding
Ring size: 9 sizes (#6-#14, US standard)
Waterproof：5ATM
Battery：Rechargeable lithium battery, 14.5-21.5mAh; about 7-10 days normal use, 15 days standby time.
Charging Method：Wireless charging; < 2 hours for a full charge
Certifications：CE, FCC, RoHS, REACH, CA Prop 65, 5ATM, Skin Sensitization Test
Weight & Dimensions：Width: 8.0mm Thickness: 2.85/2.9mm
Packing List: 1smart ring 1wireless charging box 1type-C charging cable 1gift box 1*user manual
Funtions：
①Automatic / manual heart rate & SpO2 monitor ②Automatic HRV & stress level monitor③ Automatic sleep tracking④Member Health (Create your health group, set up alerts for abnormal health data, and track the health of your group members in real time)⑤All day activity tracking⑥54 sport modes tracking⑦Temperature trends monitoring⑧Women’s menstrual cycle & pregnancy period management
Same hardware as 2301A, firmware upgraded on the basis of 2301A:
①To adopt innovative Non-Invasive Blood Glucose Evaluation and Monitoring (BGEM) algorithm, to monitor and evaluate the risk of diabetes.
②To adopt professional VO2max algorithm, help us learn more of cardiorespiratory fitness, live healthier & happier.
| Color | Silver, Black, Rose Gold |
|---|---|
| Size | 6(16.5mm), 7(17.4mm), 8(18.2mm), 9(19mm), 10(19.9mm), 11(20.7mm), 12(21.5mm), 13(22.3mm), 14(23.1mm) |
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