eBay

⚠️ IMPORTANT: PLEASE READ BEFORE PURCHASING!

1. Choose the Right Size: Please carefully measure your finger and select the correct size before placing an order to avoid sizing issues.

2. Check Your eBay Messages: After you place an order, please keep a close eye on your eBay messages. We will reach out to confirm if the size you selected is appropriate for you. Do not just pick a random size and pay!

Next-Gen Smart Ring with Display Screen

Discover the future at your fingertips. Unlike traditional blind rings, our innovative Smart Ring features a Multi-functional Display Screen. You can easily check the current time, step count, heart rate, blood oxygen, and sleep data at a glance—without frequently taking out your phone!

🔥 PREMIUM CORE CHIP: This smart ring is powered by the advanced Germany Main Chip, ensuring ultra-fast processing, highly accurate health data tracking, and seamless Bluetooth connectivity.

🔥 100% FREE APP (NO SUBSCRIPTION): Connect to our dedicated "Jring" APP to view your detailed health reports. There are absolutely NO hidden fees or monthly subscription charges!

📏 How to Measure & Size Chart

How to measure your finger accurately:

Wrap a piece of string or a thin strip of paper around your finger (index, middle, or ring finger is recommended).
Pull the string/paper TIGHTLY around your finger. (This is the most important step for an accurate fit!)
Mark where the string/paper meets and measure the length with a ruler. Find the corresponding inner diameter below.

Size Model	Inner Diameter (mm)	Inner Diameter (inch)
Size #7	17.4 mm	~ 0.685 inch
Size #8	18.2 mm	~ 0.716 inch
Size #9	19.0 mm	~ 0.748 inch
Size #10	19.9 mm	~ 0.783 inch
Size #11	20.7 mm	~ 0.815 inch
Size #12	21.5 mm	~ 0.846 inch
Ring Thickness	2.5 mm	~ 0.098 inch

⭐ Core Selling Points & Features

Multi-functional Smart Screen: No app needed to check real-time data. Just look at your ring for time, HR, SpO2, and steps.
Exquisite Craftsmanship: Made with a durable Stainless Steel case combined with an epoxy inner shell (glue filling process) for a perfect combination of tenacity and grace.
IP68 Deep Waterproof: Dive with confidence! Supports wearing in water depths of over 50 meters. Perfect for swimming, diving, snorkeling, or showering.
Ultralight Comfort: Weighing only about 4g with a thickness of just 2.5mm, it offers a burden-free, 24/7 comfortable wearing experience.
Gesture Control (Smart Touch): Through simple gesture control, you can swipe TikTok up/down or control your mobile phone's camera to take remote selfies.
Comprehensive Health Management: 24/7 Heart rate monitoring, Blood Oxygen (SpO2) testing, and advanced Sleep tracking (sleep score, deep/light sleep analysis).
Multiple Sport Modes & Sync: Tracks hiking, running, cycling, and more. Syncs easily with Apple Health and WeChat Sports.

⚙️ Detailed Specifications

Main Chipset	Germany DiaLog DA-14585
Material / Process	Stainless Steel + Display Screen + Glue Filling Process
Weight	Approximately 4g
Available Colors	Black / Gold / Silver
Sensors	SC7A20 G-Sensor, Tianyi 3918 Heart Rate Sensor
Memory	128kb ROM + 96 Kb RAM
Bluetooth Version	5.1
Waterproof Level	IP68 (50+ meters deep waterproof)
Battery & Charging	16mAh Polymer Pure Cobalt Battery / Magnetic Charging Box
Battery Life	Normal use: ~5 days \| Standby: 10-15 days
App Compatibility	Android 5.0+ and Apple iOS 10.0+ (App Name: Jring)

🚚 Shipping & Customer Support

Estimated Delivery Time: We process orders quickly! The estimated shipping time is roughly 8-10 days.

🤝 Customer Satisfaction & Communication:
Your satisfaction is our top priority! If you encounter any issues while using the product (e.g., sizing, syncing, or technical questions), PLEASE CONTACT US FIRST via eBay messages before opening a return request, opening a dispute, or leaving negative/neutral feedback. Our dedicated customer service team will respond promptly and provide a satisfying solution!

📦 Wholesale & Dropshipping Welcome!
Are you a reseller, dropshipper, or looking to buy in bulk/group buys? We welcome B2B inquiries! Please contact us for special wholesale pricing and partnership details.