Specification:
Model: Q520
Product Name: Multifunctional Watch Partner
Chipset: Nordic NRF52832 (Main), SY8602 (Charging)
Sensors:
ECG/Heart Rate/Blood Pressure: GH3228T
Blood Glucose/SpO2: Dual SFH2703 + GH3228T
Body Temperature: GH3228T + High-precision NTC
Motion Tracking: STK8321 Accelerometer
Compatibility: Android 6+, iOS 11+
Battery: 18mAh Polymer Lithium (4-6 days use, 30+ days standby)
Charging: Magnetic Charger + Portable Case (Short-Circuit Protection)
Waterproof Rating: 5ATM
Material: 304 Stainless Steel (Exterior), Eco-Friendly Resin (Inner Ring)
Sizes: 8, 9, 10, 11 Inch
bluetooth Version: 5.3 BLE

Features:
1. Comprehensive Health Monitoring: ECG, heart rate, blood pressure, SpO2, non-invasive glucose, and body temperature tracking.
2. AI Heart Health Analysis: Detects arrhythmia and provides insights via app.
3. 24/7 Sleep & Activity Tracking: Monitors sleep stages, steps, calories, distance, and multi-sport modes (running, cycling, gym).
4. Waterproof Design: 5ATM rating for swimming and daily use.
5.Long Battery Life: 4-6 days active use, 30+ days standby with magnetic charging.
6. Sleek & Long-lasting Build: Stainless steel exterior + scratch-resistant resin inner ring.

Package Includes:
1 x Q520 Smart Ring (Choose Size)
1 x Charging Cable
1 x Manual
1 x Package Box