📄 Product Description – Promate R20 Smartwatch
A tough-built fitness smartwatch designed for everyday wear and active use. It features a large 1.85″ TFT display with 360×360 resolution, supports Bluetooth calling, and offers 100+ sports modes for fitness tracking. Health and activity sensors include HRS3605 heart-rate and SC7A20 pedometer, plus sleep tracking and company-listed blood pressure and blood oxygen monitoring. A 710mAh battery delivers 7–10 days of use and up to 60 days standby, with IP67 water resistance, a durable metallic/zinc-alloy frame, and a removable UV-coated silicone strap.

⭐ Key Features:
🔹 1.85″ TFT, 360×360 Display — Large, easy-to-read screen for daily navigation.
🔹 Bluetooth Calling + Bluetooth V5.0 (BLE) — Convenient hands-free calling with 2402–2480MHz frequency range.
🔹 710mAh Battery + 2.5h Charging — 7–10 days typical use and up to 60 days standby (usage-dependent).
🔹 Health & Activity Sensors — HRS3605 HR sensor, SC7A20 pedometer, sleep tracking, plus listed BP & SpO2 monitoring.
🔹 100+ Sports Modes — Track workouts across a wide range of activities.
🔹 Tough Design + IP67 — Zinc-alloy/metal frame, UV-coated silicone strap, 24mm strap width, and a full box set including magnetic charging dock & cable, user guide, and 2 silicone straps.

🎯 Closing Paragraph:
If you want a rugged smartwatch with a large screen, Bluetooth calling, strong battery life, and broad fitness tracking, the R20 is a practical all-rounder for daily use and workouts.

⚠️ Important Note: Health metrics (including BP/SpO2 features) are wellness indicators and may vary with fit, motion, and user conditions; they are not a medical substitute.