The Astrum MT31 Smart Watch is a versatile 1.52″ HD sports smartwatch designed for professionals, fitness enthusiasts, and everyday users. Featuring a 360×360 ultra‑retina touchscreen, Bluetooth calling, and multi‑sport tracking, it blends fashion, functionality, and advanced health monitoring into one sleek device. With IP67 water resistance, the MT31 withstands sweat, splashes, and rain, while its aviation‑grade zinc alloy body and food‑grade silicone strap ensure durability and comfort for sensitive skin. Stay connected with calls, SMS, social media, and email alerts, and personalize your watch with dynamic multi‑themes. Health monitoring includes blood oxygen, blood pressure, body temperature, 24‑hour heart rate, sleep tracking, and sedentary reminders. Powered by a 300mAh battery, it delivers up to 10 days of usage, 25 days standby, and 8 hours continuous call/music use, with convenient wireless charging. Key Features 1.52″ HD touchscreen (360×360 px) – crisp ultra‑retina display Bluetooth calling – hands‑free communication directly from your wrist IP67 water resistance – protection against sweat, splashes, and rain Comprehensive health tracking – SpO₂, blood pressure, body temperature, heart rate, sleep, sedentary reminders Multi‑sport modes – track workouts and fitness activities with precision Dynamic multi‑themes – customizable watch faces and interfaces Voice Assistant support – compatible with iOS and Android devices Aviation‑grade zinc alloy body + food‑grade silicone strap – durable and comfortable Battery life: 7–10 days (normal use), 25 days standby, 8 hours continuous call/music Wireless charging – convenient and hassle‑free Warranty: 24 months Technical Specifications Feature Details Model / SKU A61652‑T Product Code MT31 Display 1.52″ HD touchscreen, 360×360 px Bluetooth BLE V5.2 Material Zinc alloy case + silicone strap Protection IP67 water resistant Battery 300mAh Working Time 7–10 days (without call pairing) Standby Time 25 days Continuous Use 8 hours (calling/music) Charging Wireless charger, ~3 hours Memory 128MB Flash Languages Multi‑language support Compatibility Android 5.0 / iOS 9.0 or above Dimensions 52.1 × 50.1 × 12.3 mm Weight 78.7g Warranty 24 months What’s in the Box 1× Astrum MT31 Bluetooth Sports Smart Watch 1× Wireless charging cable 1× User manual Ideal For Health tracking – monitor heart rate, SpO₂, blood pressure, body temperature, sleep, and sedentary reminders Professional use – Bluetooth calling and notifications for busy schedules Everyday lifestyle – stylish design with wellness reminders and customizable themes Fitness enthusiasts – multi‑sport modes and advanced health monitoring