Technical Specifications: KOSPET TANK M4 Smartwatch

General

• Model: KOSPET TANK M4

• Storage: 32 GB ROM

• Memory: 16 MB SRAM

• Colors: Black, Silver

• Body Material: Stainless Steel (SGS Certified Inox 360)

• Case Back Material: Stainless Steel

• Dimensions: 50.5 × 42.5 × 13 mm

• Weight (without strap): 80 g

• Strap Material: Liquid Silicone

• Strap Size: 22 mm (Quick Release)

• Wrist Fit: 150 mm – 240 mm

• Buttons: 4

• Built-in Speaker/Microphone: Yes

• Water Resistance: 10 ATM & IP69K

• Dive Modes: Freediving, Scuba, Gauge  KOSPET TANK M4 watch

Display

• Type: 1.96″ AMOLED

• Touchscreen: Corning® Gorilla® Glass 3

• Resolution: 410 × 502 pixels

• Pixel Density (PPI): 331

• Peak Brightness: 1000 nits

• Features: Auto-brightness, Raise to Wake

Battery & Charging

• Capacity: 500 mAh

• Type: Pure Cobalt Battery

• Charging Method: Magnetic Charging Dock

• Charging Time: Approximately 2 Hours

• Battery Life (Typical Use): 14-15 Days

• Battery Life (Heavy Use): 9-10 Days

• Battery Life (Always-On Display): 5-6 Days

• Battery Life (Continuous GPS): 21-22 Hours

Sensors

• Health: VC9213-4PD Sensor

• Movement: 6-axis Gyroscope

• Positioning: Dual-band GNSS (GPS, Galileo, GLONASS, BeiDou, QZSS, NavIC)

• Environmental: Geomagnetic Sensor, Barometric Altimeter, Ambient Light Sensor, Temperature Sensor

Health & Wellness Monitoring

• 24/7 Automatic Monitoring: Heart Rate, Blood Oxygen (SpO₂), Stress Level, Mood, Sleep Stages (including REM)

• One-tap Measurement: Heart Rate, Blood Oxygen, Stress, Mood

• Sleep Tracking: Sleep Stages, Naps, Sleep Schedule

• Alerts: Abnormally High & Low Heart Rate, Low Blood Oxygen

• Other Features: Menstrual Cycle Tracking, Breathing Exercise

• Note: Does not measure Blood Pressure.

Sports & Training Features

• Sports Modes: 23 ApexMotion Sports + 160 Freestyle Training Modes

• Specialized Dive Modes: Freedive, Scuba, Gauge

• Running Features: Distance, Average Pace, Cadence, Real-time Navigation, Heart Rate Zones

• Swimming Features: SWOLF, Average Pace, Stroke Recognition, Stroke Rate, Lap Count

• Activity Tracking: 24-hour tracking for Calories, Steps, and Distance

• Training Tools: Personalized Training Plans, Smart Recognition

Outdoor & Smart Features

• Navigation: GPS Positioning, Offline Maps, Real-time Navigation, Route Import/Export, Route Back, Compass

• Outdoor Tools: Walkie-Talkie, Flashlight, Barometric Altimeter, Moon Phase, Tides, Sunrise & Sunset Times, Extreme Weather Alerts

• Connectivity: Bluetooth 5.3

• Notifications: App, SMS, and Phone Call alerts

• Device Control: Music Control & Storage, Camera Control, Find Phone

• Daily Tools: Alarm Clock, Timer, Stopwatch, Calculator, Calendar, Weather, World Clock, Voice Assistant

• Smart Features: Emergency SOS, Sedentary Reminder, Do Not Disturb, Water Ejection, Screen Lock & Password

Compatibility & Software

• Compatible Operating Systems: Android 7.0 and above, iOS 14.0 and above

• Companion Application: Apexmove App (Available on Google Play and App Store)

• Third-Party App Compatibility: Syncs with Apple Health & Strava

• Supported Languages: 37 Languages

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