Cospet - Tank M3 special edition watch 49 mm size - black

Kospet - Tank M3 Special Edition 49mm size - black Product description: Type: AMOLED display Size: 1.96 inches Resolution: 410 × 502 pixels Brightness: up to 1000 lumens Features: support for Always-On Display Dimensions: 56 × 43 × 12.8 mm Weight: 75 grams Materials: Frame: full metal structure Back cover: stainless steel Buttons: aluminum alloys Strap: metal strap Capacity: 480 mAh (pure cobalt battery) Battery life: up to 15 days in normal use up to 8 days in intensive use up to 3 days with Always-On Display activated up to 50 days in standby mode Charging time: about 1.5 hours Standards: 5ATM (water resistance up to 50 meters) IP69K (water immersion and spray resistance) MIL-STD-810H military certification (15 tests) Sensors: Heart rate sensor (VC9201 + VP60A2) 3-axis accelerometer (STK8325) Barometric pressure and altitude sensors Health functions: 24/7 heart rate monitoring Blood oxygen measurement (SpO2) Blood pressure measurement Sleep tracking (including sleep stages) Stress level monitoring Menstrual cycle tracking Breathing exercises Supported activities: more than 170 sports modes Smart recognition: 6 sports activities (such as walking, running, cycling) Additional features: swimming efficiency test (SWOLF) Connectivity: Bluetooth 5.3 Functions: Make and receive calls via Bluetooth Built-in speaker and microphone Supports notifications, music control, weather, calculator, alarm Compatibility: Android 5.1 or later, iOS 10.0 or later Companion app: Kospet Fit