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Black rectangular smartwatch with 1.91 inch AMOLED screen, silicone strap, built-in LED flashlight

DEKELIFE AK90 1.91" Military Smart Watch Black

SKU CH-GJHN-4A2SM

A rugged smartwatch with a built-in LED flashlight, 1.91-inch AMOLED display, and 1000 mAh battery lasting up to 30 days

  • ColorBlack
  • Typesmart_watch
  • Size1.91
  • Band MaterialSilicone
  • CompatibilityAndroid Smartphones
  • SensorsBlood Pressure
  • Built-in LED flashlight with three lighting modes reaches up to 5 metres
  • Passed 12 military-grade tests for rugged, waterproof and dustproof durability
  • Over 110 sport modes track steps, distance and calories in real time
  • High-precision VC30F sensor monitors heart rate, blood oxygen and sleep stages
  • 1000 mAh battery delivers up to 30 days regular use and 100-day standby

Rugged Smart Watch for Outdoor Users

The DEKELIFE AK90 is a military-grade smart watch built for men who need a durable companion during camping, hiking or night running. It passed 12 military tests for ruggedness, water and dust resistance. A built-in LED flashlight throws light up to 5 metres with three modes including SOS. The 1.91 inch AMOLED touch screen delivers clear readouts in bright daylight.

Upgrade from Basic Fitness Bands

This watch replaces simpler trackers that lack a flashlight, Bluetooth calling or the same battery endurance. The jump is worth it when you want 110 plus sport modes, blood-pressure and SpO2 monitoring, plus voice-assistant control on your wrist. Buyers who need built-in GPS for precise route mapping without a phone should look elsewhere, as this model relies on connected GPS.

1000 mAh Battery and 110 Plus Sport Modes

The 1000 mAh cell provides up to 30 days of regular use and 100 days on standby, so multi-day treks stay covered without a charger. Real-time tracking handles running, cycling, skiing, yoga and more while logging steps, distance and calories. Continuous health sensors monitor heart rate, sleep stages and blood oxygen, though the 5 ATM rating suits swimming and rain, not high-pressure water sports.

Highlights

  • Built-in LED flashlight with three lighting modes reaches up to 5 metres
  • Passed 12 military-grade tests for rugged, waterproof and dustproof durability
  • Over 110 sport modes track steps, distance and calories in real time
  • High-precision VC30F sensor monitors heart rate, blood oxygen and sleep stages
  • 1000 mAh battery delivers up to 30 days regular use and 100-day standby

Specifications

BrandDEKELIFE
SeriesAK90
ModelAK90
ColorBlack
Typesmart_watch
Size1.91
Band MaterialSilicone
CompatibilityAndroid Smartphones
SensorsBlood Pressure
Screen Size1.91 inches
Display TechnologyAMOLED
Touch Screen Supporttouch_screen
ConnectivityBluetooth
Wirelessbluetooth
Battery Typelithium_polymer
FeaturesFitness Tracker, Phone Call, Sleep Monitor, Blood Oxygen (SpO2) Monitor, Heart Rate Monitor, Calorie Tracker, Alarm Clock, Stopwatch, Timer, Pedometer, Camera Control, Music Playback/Control, Sedentary Reminder, Weather, Waterproof, Notifications
Package ContentSmartwatch

Questions about this item

What wrist size does the 1.91 inch case and silicone band fit?

The 1.91 inch case with its silicone strap is designed to fit most adult wrists; the band uses a standard buckle with multiple holes for adjustment.

How do I pair the watch for Bluetooth calls and which step do users often miss?

Enable Bluetooth on your Android phone, open the companion app, select the AK90, then confirm the pairing request that appears on both the watch and phone screens — many forget to tap "Allow" on the phone for call audio.

When will the 1000 mAh battery need replacement?

The lithium-polymer cell is rated for hundreds of charge cycles; with up to 30 days of regular use per charge, noticeable capacity loss typically appears after two to three years of daily wear.

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