Material: 316L Anti-bacterial Stainless Steel

Design: Full metal, scratch-proof, cutting-edge tech meets traditional jewelry design

Dimension: 7.5mm(width) * 2.5mm(thickness)

• Incoming Call Reminder: Auto-vibrates when receiving a call;
• Abnormal Health Alerts: High/Low Heart Rate, Low SpO2, Fever;
• Key Events Reminder: Medication Reminders, Drink Water, Birthday & Anniversaries, Meetings;
• Alarm Clock: Ring vibrates to alert you when the alarm time is up.

What’s Included
The standard retail package typically contains:

• Smart Ring (TM21)
  Portable Charging Case
  Magnetic Charging Dock (Desktop/Stand-style)
• USB-C or Micro-USB Charging Cable
• Charging Brick/Wall Adapter (Varies by retailer)
• User Documentation/Quick Start Guide
  Technical Specifications
  

Feature:

Waterproof Rating

• IP68 & 5ATM: Fully dust-proof and water-resistant. It is safe for hand washing, showering, and swimming (pool/shallow diving).

Weight

• ~2.2 to 5.2 grams (approx. 0.005 – 0.011 lbs). Your initial figure of 0.05 lbs was likely the shipping weight; the ring itself is designed to be barely felt on the finger.

Battery Type

• High-density Lithium Polymer (Li-Po); 15mAh–18mAh capacity.

Battery Life

• 4–6 days of normal use; up to 25 days on standby.

Charging Method

• Magnetic contact charging (approx. 60–90 minutes for a full charge).

Connectivity

• Bluetooth LE 5.4 (Low Energy) for stable, long-range syncing.

Ports

• None on the ring (sealed for waterproofing). The charging case/dock utilizes a standard USB port for power.

Compatibility

• Requires the YOR Ring App RING App. Compatible with iOS (12.0+) and Android (6.0+).