SPECIFICATIONSActivity Tracked: Steps Tracker,Distance Tracker,Calorie Tracker,Activity TrackerApp name: ApexmoveApplication Age Group: MenBand Detachable: YesBattery Capacity(mAh): >450mAhBattery Detachable: NoBattery Life: 15 daysBluetooth-compatible Version: 5.3Brand Name: kospetCPU Model: ATS3089CCategory: Smart WatchesCertification: CE,FCC,RoHS,weeeCompatibility: All CompatibleDisplay Size: 1.5Function: Shock Resistant,Passometer,fitness tracker,sleep tracker,Mood Tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,Alarm Clock,World Time,Calorie Counter,Heart Rate Tracker,LightingGPS: YesHigh-concerned chemical: NoneLanguage: English,Russian,Spanish,Polish,Portuguese,Turkish,Italian,French,German,Norwegian,Korean,Japanese,Ukrainian,Hebrew,Dutch,Arabic,Indonesian,GreekMechanism: NoMetrics measured: Heart Rate Monitor,Women's Health Monitoring,Blood Oxygen Monitor,Sleep Monitor,Stress MonitorMultiple Dials: YesNetwork Mode: NoneOrigin: Mainland ChinaRAM: <128MBROM: 128 MBRear Camera: NoneResolution: 466*466SIM Card Available: NoScreen Material: AMOLEDScreen Shape: SQUARESystem: Wacth OSTouch Screen: YesType: On WristVoice assistant built-in: YesWIFI: noWaterproof Grade: 50mKOSPET TANK M4C 【Military-Grade Toughness】Rigorously tested and certified against 15 U.S. MIL-STD-810H standards, this rugged smartwatch is built for ultimate durability. Engineered to prove its reliability in the most extreme conditions, ensuring it performs when you need it most. 【5ATM & IP69K Waterproof】Brave the elements with confidence. Boasting a 5ATM water-resistance rating for depths up to 50 meters and the highest IP69K rating for ingress protection, this watch is fully sealed against water, dust, and high-pressure spray. 【Built-in LED Flashlight】Illuminate your path with a powerful, integrated LED flashlight. Featuring 5 adjustable brightness levels, it’s a quick, convenient, and energy-saving tool for safety during night-time adventures or for simple everyday use. 【On-Wrist Walkie-Talkie】Stay connected with your team or friends through instant voice communication. The built-in Walkie-Talkie function enables fast, clear, and hands-free communication right from your wrist, perfect for outdoor activities and coordination. 【Advanced Dual-Band GPS】Track your adventures with pinpoint accuracy. Powered by L1+L5 dual-band positioning and connecting to 6 satellite systems (GNSS), this smartwatch delivers exceptionally stable and reliable location performance, even across the most complex environments. 【Guide: How to Choose Between TANK M4C & TANK M4】 Shared Features Rugged tactical designL1+L5 dual-band, six-satellite GPS4th-gen 4PD heart rate & blood oxygen sensorTANK M4C – Lightweight & Versatile Metal bezel + composite body for reduced weight, comfortable all-day wearBuilt-in LED flashlight for night use and emergenciesTANK M4 – Extreme & ProfessionalOffline maps & music downloads for offline listening（Available only on the M4 model）Full stainless steel body for maximum protection10ATM water resistance for diving and hardcore exploration.
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