The Amazfit Active Max is a high-endurance, fitness-focused smartwatch that brings advanced sports tracking, premium display capabilities, and substantial battery life to a budget-friendly price point. 📐 Design and Build Dimensions: 48.5 x 48.5 x 12.2 mm Weight: 39.5 grams (without strap) Body Material: Aluminum alloy frame with a polymer back case Lug Design: Pivoting lug design that flexes with the wrist for enhanced comfort Buttons: Two flush physical control buttons (no rotating crown) Strap: 22mm interchangeable silicone strap Water Resistance: 5 ATM (up to 50 meters, suitable for swimming) 📺 Display Screen Size: 1.5-inch AMOLED touchscreen Resolution: 480 × 480 pixels (323 PPI) Peak Brightness: Up to 3,000 nits Protection: Strengthened glass with an anti-fingerprint coating Sensors: Ambient light sensor for automatic brightness adjustment 🔋 Battery and Charging Capacity & Endurance: 658 mAh battery offering up to 25 days of typical use or 13 days of heavy usage. GPS & Saver: Provides up to 64 hours of continuous GPS tracking and 3.6 weeks in battery-saver mode. Charging: Features the proprietary HybridCharge™ system. 🗺️ Connectivity and Storage Features: Bluetooth for calls, audio, and sync; built-in GPS. Storage: 4 GB onboard storage for music and offline map support. Limitations: Lacks Wi-Fi, eSIM, and NFC contactless payments. 🏃 Health and Fitness Tracking Sensors: BioTracker™ 6 PPG for heart rate, SpO₂, and stress, plus a skin temperature sensor. Functionality: 170+ sport modes with auto-detection, Zepp Coach™ AI, and advanced sleep/energy tracking. 📱 Software and OS OS: Runs on Zepp OS with Zepp Flow voice control. Compatibility: Works with Zepp App on Android 7.0+/iOS 14.0+.