Smart Ring – Health Tracker with SPO₂/HRV/Sleep Monitor, 5ATM Waterproof & No Subscription, 7-Day Battery for Men & Women, iOS Android Compatible (11 Sizes, Silver)

Price: £56.41
(as of Oct 25, 2025 21:08:33 UTC – Details)



🆓 Zero Fees, Max Features: 170+ Modes & Free App No subscriptions! Enjoy free lifetime updates for 170+ sports modes, health tracking, and smart tools (Remote Photo, Find Ring, Female Reminders, Stress Games).
📏 Perfect Fit Guarantee: Free Size Exchange Use our finger-measuring guide (images) to select from 8 sizes (18.3-22.4mm). Mismatched? Contact us within 30 days for free replacement!
🌙 24/7 Health Guardian: Sleep + 7 Vital Metrics Night: Analyzes REM/Deep/Light sleep with improvement tips. Day: Tracks Heart Rate (±2 BPM), SpO₂, HRV Stress, Skin Temp, Steps, Distance & Calories.
💎 7-Day Power + Swim-Ready Elegance 5-7 days use/15-day standby. Hypoallergenic stainless steel (only 3.5g) with 5ATM waterproof (50m) – from gyms to galas.
🛡️ 1-Year Warranty & Proactive Support Pre-sales sizing help + 24h post-sales response. Quality issues? Free repair/replacement in 12 months.