1. Introduction
Thank you for choosing the HIRREO EF18 Military Smart Watch. This device is designed to provide a robust and feature-rich experience, combining advanced health monitoring, comprehensive fitness tracking, and smart connectivity. Featuring a durable design and a large HD screen, your smartwatch is built to withstand various conditions while keeping you connected and informed.
2. Package Contents
- Smart Watch
- Stainless Steel Strap + 2 Silicone Straps
- Strap Accessories
- USB + Type-C Charger
- Instruction Manual
3. Setup
3.1 Initial Charging
Before first use, fully charge your HIRREO EF18 Smart Watch. The device is equipped with a 1000mAh large-capacity battery, offering 7-10 days of daily use and up to 45 days of standby time on a single charge. Use the provided Type-C or USB charger for convenient charging.

Image: The HIRREO EF18 Smart Watch showcasing its 1000mAh large capacity battery and charging capabilities. It highlights extended battery life compared to other smartwatches.
3.2 App Download and Pairing
To unlock the full potential of your smartwatch, download the companion app. The HIRREO EF18 is compatible with iOS 11.0 and above (calls require iOS 13 and above) and Android 5.0 and above, with BT4.0 connectivity.
- Download the 'FitCloudPro' app from the App Store (iOS) or Google Play (Android).
- Enable Bluetooth on your smartphone.
- Open the 'FitCloudPro' app and navigate to the device binding section.
- Find 'EF18' in the list of available devices and click on it to connect.
- Follow the in-app instructions to complete the pairing process and enable necessary permissions for notifications.

Image: A visual guide demonstrating the steps to connect the HIRREO EF18 Smart Watch to the 'FitCloudPro' application on a smartphone, including enabling Bluetooth and confirming the binding request.
3.3 Strap Installation
The HIRREO EF18 Smart Watch comes with a stainless steel strap and two silicone straps, all featuring quick-release pins for easy installation and removal. Simply slide the pin to attach or detach the strap from the watch body.
Video: How to install the watch strap
Video: This video demonstrates the process of installing and adjusting the watch straps for the HIRREO EF18 Smart Watch, including how to use the provided tool for the stainless steel band.
4. Operating Instructions
4.1 Display and Navigation
The smartwatch features a 1.85-inch HD large screen with a 60Hz refresh rate for smooth touch response. Swipe across the screen to navigate through menus and functions. The watch supports free watch face switching, allowing customization via the app or by long-pressing the watch face.

Image: The HIRREO EF18 Smart Watch displaying its 1.85-inch Ultra HD screen with vibrant colors and various customizable watch faces.
Video: Display and Watch Face Customization
Video: This video demonstrates the large HD screen of the HIRREO EF18 Smart Watch and how to customize watch faces through the companion app.
4.2 Health Monitoring
The EF18 integrates various health monitoring features, including 24/7 heart rate tracking, blood oxygen (SpO2) monitoring, and sleep tracking. These tools help you keep an eye on your well-being and improve your lifestyle habits.
- Heart Rate: Continuously monitors your heart rate throughout the day.
- Blood Oxygen (SpO2): Measures your blood oxygen saturation levels.
- Sleep Tracking: Analyzes your sleep patterns, including deep sleep, light sleep, and awake times.
- Stress Tracker: Provides insights into your stress levels.

Image: The HIRREO EF18 Smart Watch showcasing its smart health monitoring features, including heart rate, blood oxygen, and sleep tracking data on its display.
4.3 Sports Modes
The smartwatch offers 8 built-in sports modes (walking, running, hiking, cycling, basketball, swimming, badminton, football) and over 100 additional sports programs accessible via the companion app (tennis, rugby, yoga, dancing, skiing, rowing machine, elliptical trainer, etc.). Track your steps, calories burned, distance, and more during your workouts.

Image: The HIRREO EF18 Smart Watch highlighting its 114 sports modes, showing a user cycling and the watch displaying exercise records like calories, distance, and steps.
4.4 Connectivity (Bluetooth Calling & Notifications)
With Bluetooth calling support, you can make or answer calls directly from your wrist using the built-in HD microphone and speaker. The watch also syncs message alerts from your phone, including text messages, emails, and social media apps, ensuring you never miss important communications.

Image: The HIRREO EF18 Smart Watch demonstrating its Bluetooth calling feature with a dial pad and call logs, alongside smart notifications from various social media applications.
4.5 LED Flashlight
The EF18 smartwatch includes a convenient built-in LED flashlight function. Activate it by long-pressing the designated button on the watch. This feature is useful for navigating in low-light conditions, finding items, or during outdoor activities at night.

Image: The HIRREO EF18 Smart Watch highlighting its powerful LED flashlight function, useful for outdoor activities, power outages, and finding things in the dark.
Video: LED Flashlight Demonstration
Video: This video demonstrates the LED flashlight feature of the HIRREO EF18 Military Smart Watch, showing its activation and utility in dark environments.
4.6 Other Functions
The smartwatch integrates a variety of practical tools for daily convenience:
- Alarm Clock: Set multiple alarms.
- Stopwatch & Countdown: For timing activities.
- Weather Check: Get real-time weather updates.
- Music Control: Manage music playback on your phone.
- Remote Photography: Control your phone's camera remotely.
- Phone Finder: Locate your paired smartphone.
- Calculator & Calendar: Basic utility functions.
- Voice Assistant: Interact with your device using voice commands.

Image: The HIRREO EF18 Smart Watch showing a variety of integrated functions including watch faces, remote photography, stopwatch, calculator, AI assistant, music control, and weather forecast.
5. Maintenance
5.1 Waterproof Design
The HIRREO EF18 Smart Watch features an IP68 waterproof rating, allowing it to handle splashes and rain during daily life and workouts. It is not necessary to remove it when washing hands or sweating. Note: Not suitable for hot water, seawater, or diving.

Image: The HIRREO EF18 Smart Watch highlighting its military-grade quality, including dustproof, extreme temperature resistance, waterproof up to 5 ATM, and anti-impact features.
6. Troubleshooting
If you encounter any problems with your HIRREO EF18 Smart Watch, such as issues with accessories, quality, operation, or charging, please refer to the customer service information below for assistance. Most common issues can be resolved by ensuring proper app connection and device settings.
7. Specifications
- Screen Size: 1.85 Inches
- Screen Resolution: 360x360 pixels
- Battery Capacity: 1000 Milliamp Hours (Lithium Polymer)
- Connectivity Technology: Bluetooth
- Wireless Communication Standard: Bluetooth
- Operating System: AsteroidOS
- Memory Storage Capacity: 512 MB
- Waterproof Rating: IP68
- Special Features: LED Flashlight, Weather Forecast, Stopwatch, Pedometer, Timer, Music Control, Brightness Adjustment, All-Day Activity Tracker, 100+ Sports Modes, Fitness Tracker, Stress Tracker, Sleep, Calorie Counter, Answer/Dial Calls, Messaging Notification, Voice Assistant, Multi-Language, Find Phone, Alarm Clock, Camera Control, Calculator, Drinking Water Reminder, Sedentary Reminder, Do Not Disturb Mode.
- Compatibility: iOS 11.0+ (calls require iOS 13+), Android 5.0+, BT4.0.
- Item Weight: 10.6 ounces
- Manufacturer: HIRREO
8. Warranty and Support
The HIRREO EF18 Smart Watch comes with a 24-month warranty. For any issues or support needs, HIRREO offers 24-hour online support. Please contact us directly for a solution within 24 hours.