KOSPET TANK M4C Rugged Smartwatch

Technical Specifications of KOSPET TANK M4C Smartwatch

General

• Storage: 1GB NAND Flash | Memory: 8MB SRAM

• Color: Black / Silver

• Body: Stainless Steel Bezel + Zinc Alloy | Case Back: Polymer

• Dimensions: 41.6 × 49.8 × 13.45mm | Weight: 65.5g (without strap)

• Buttons: 4 | Built-in Speaker & Microphone: Yes

• Water Resistance: 5 ATM & IP69K

• Strap: Silicone, 22mm Quick Release | Wrist Size: 150–220mm

Display

• Type: AMOLED (Square) | Size: 1.96″

• Resolution: 410 × 502 | PPI: 331

• Glass: Corning® Gorilla® Glass 3 | Peak Brightness: 1000 nits

Battery

• Capacity: 500mAh (Pure Cobalt) | Charging: Magnetic Dock (~2 hrs)

• Typical Use: 13–16 Days | Heavy Use: 8–11 Days

• AOD Mode: 3–5 Days | Continuous GPS: 18–21 Hours

• Power Saving Standby: Up to 75 Days

Sensors & GPS

• Health Sensor: GH3026-4PD (4PD optical multichannel)

• Motion: Accelerometer, Geomagnetic, Barometric Altimeter, Ambient Light

• GNSS: GPS + GLONASS + Galileo + BeiDou + QZSS + NavIC (6-system dual-band)

• Temperature Sensor: No

Health Monitoring

• 24H Continuous: Heart Rate, SpO₂, Stress, Mood

• One-Tap: HR + SpO₂ + Stress + Mood (simultaneous, 1 min)

• Sleep: Full Stages (REM), Naps, Schedule

• Alerts: Abnormal High/Low HR, Low Blood Oxygen

• Extras: Menstrual Cycle Tracking, Breathing Exercise

Outdoor & Rugged Features

• Walkie-Talkie: Built-in, group call up to 4 persons, 40m range

• Flashlight: 5-level integrated LED (up to 5 hrs continuous)

• Compass, Barometric Altimeter, Altitude Calibration

• Moon Phase, Tides (hourly), Sunrise/Sunset, Extreme Weather Alerts

• MIL-STD-810H Military-Grade Durability

Sports & Training

• 170+ Freestyle Training Modes

• Smart Auto Activity Recognition

• Personalized Training Plans + Fitness Badges (via Apexmove App)

• Running: Pace, Cadence, HR Zones, Step Rate

• Swimming: SWOLF, Stroke Recognition, Lap Count, HR Zones

• 24H Activity: Calories, Steps, Distance

Connectivity & Smart Features

• Bluetooth: V5.3 | App: Apexmove (Android 7.0+ / iOS 14.0+)

• Notifications: Calls, SMS, Email, Apps

• Phone Calls from wrist (built-in speaker/mic)

• Emergency SOS, Camera Control, Voice Assistant, Music Control

• Water Ejection, Raise to Wake, Cover to Lock, World Clock

• Syncs with: Apple Health & Strava

• Languages: 37 (Bengali included)