Brand: Astrum Product Code / SKU: ASB100SB Manufacturer Product Code: SB100N Category: Wearables / Fitness Bands Model: SB100N Fitness Band Description The Astrum SB100N is a long‑life fitness band designed for athletes and active lifestyles. With an impressive 30-45-day battery life from a single 2‑hour charge, it eliminates the need for weekly charging interruptions. The SB100N supports 121+ sports modes, GPS route tracking via smartphone, and syncs seamlessly with Strava and Apple Health. Its silicone strap is sweat‑resistant and comfortable for all‑day wear, while 3ATM water resistance protects against rain, sweat, and everyday water exposure. Advanced health tracking includes 24/7 heart rate monitoring, SpO₂ measurement, stress tracking, and automatic sleep analysis. Highlights 30–45-day battery life per charge Syncs directly with Strava & Apple Health 121+ sports modes with GPS route tracking 24/7 heart rate, SpO₂, stress & sleep monitoring 3ATM water resistance (rain, sweat, showers) Lightweight silicone strap for comfort BLE 5.1 connectivity Compatible with Android & iOS What’s Included 1 × Astrum SB100N Fitness Band 1 × Magnetic 2‑pin USB charging cable 1 × User guide Retail packaging