SPESIFICATION Dimensions (without heart rate base): 48.5x48.5x13.75mm Weight (without strap): 68.3g Body Material: Stainless steel bezel. Polymer middle frame. Strap Materials: Liquid silicone Strap Width: 22mm Strap Min. & Max. Wrist Dimensions: 145mm-210mm Buckle: Classic pin buckle Water-resistance Grade: 10 ATM Diving Certification: EN13319, ISO 6425, GB/T 18828 certification for freediving to 45 meters Material: AMOLED Size: 1.5" Resolution: 480x480 PPI: 322 Touchscreen: Gorilla Glass Battery Capacity: 700 mAh (rated value） Charging Method: Magnetic charging base Theoretical Charging Duration: Approx. 3 hours Health: BioTracker PPG biometric sensor (supports blood-oxygen) Connection: WiFi 2.4GHz, Bluetooth 5.2, BLE Supported Devices: Android 7.0 and above, iOS 14.0 and above Sports Modes: 177 Sync to 3rd Party Fitness Apps21: Strava, Adidas Running, Komoot, Relive, Google Fit, Apple Health Health Reminders: Abnormally high & low heart rate, Low blood-oxygen, High stress level, Prompts to perform stress-reducing breathing exercise, Altitude prompts for blood-oxygen test23 garansi 1tahun packing bubble wrap