The Samsung Galaxy Watch 9 L340 is a smartwatch with a round AMOLED display, GPS, and heart rate monitoring. It is designed to display notifications and monitor selected data on the wrist, with the ability to make calls via Bluetooth and play music from the watch.

GPS allows you to record your location during activities, and the watch can measure your heart rate. The AMOLED screen displays information directly on the watch, and the Slovenian menu makes it easy to navigate settings and functions.

Key product features

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You can make calls via Bluetooth and play music from your watch. This combines two functions that are accessible from your wrist, while GPS and a heart rate monitor support location logging and heart rate monitoring.

The stated battery life is one to two days, so when planning your usage, you should expect to charge it regularly. The case is silver, and the beige-brown strap is made of silicone; the menu is available in Slovenian.

Screen
Screen diagonal: 3.3 cm (1.3")
Display technology: AMOLED
Display technology brand name: Super AMOLED
Pixel density: 327 ppi
Feature: Always-on display
Feature: Color screen
Display type: Digital
Screen resolution: 438 x 438 pixels
Function: Touch screen
Number of display colors: 16 million colors
processor
Processor manufacturer: Qualcomm
Processor clock frequency: 2100 MHz
Number of processor cores: 5
design
Lens material: Sapphire
Shape: Round
Market positioning: Smartwatch
Watch case size: 40 mm
Watch case color: Silver
Watch case material: Aluminum
Bracelet color: Cream
International protection level (IP code): IP68
Water resistance: 5 ATM
Services
Supported mobile operating systems: Android
Installed operating system: Wear OS
RAM capacity: 2000 MB
Flash memory: 32 GB
Feature: Built-in microphone
Feature: Built-in speakers
Features
Feature: Heart rate monitor
Heart rate sensor type: Optical
Feature: Accelerometer
Feature: Gyroscope
Supported audio formats: 3GA, AAC, AMR, AWB, M4A, MP3, OGA, OGG, WAV
Feature: Ambient light sensor
Feature: Geomagnetic sensor
Feature: Skin temperature sensor
Feature: Barometer
Military standard: MIL-STD-810H
network
Mobile network generation: Not supported
Function: GPS
Function: BeiDou
Function: GLONASS
Feature: Galileo
Feature: Quasi-Zenith Satellite System (QZSS)
Connections and interfaces
WLAN standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Function: Bluetooth
Bluetooth profiles: A2DP, AVRCP, HFP, HSP
Function: Near Field Communication (NFC)
Function: Wi-Fi
Bluetooth version: 6.0
energy
Battery type: Integrated battery
Battery/rechargeable battery operating time: 40 hours
Function: Wireless charging
Battery/rechargeable battery
Battery/battery capacity: 390 mAh
software
Security update deadline: July 31, 2031
Weight and dimensions
Width: 40.4mm
Depth: 42.7mm
Thickness: 8.6 mm
Weight: 31.5g
Galaxy Watch9 is your personal companion on your journey to wellness. The new Galaxy Watch transforms your everyday life into valuable insights into sleep, activity, recovery, and your overall health. It adapts to your lifestyle in real time and gives you personalized advice. This is made possible by a long-lasting 390 mAh battery and Snapdragon® Wear Elite processor. Start small and build healthy habits over time as Galaxy Watch9 gets to know you better over time.

The text is machine translated.

It is important to know

When choosing a Samsung Galaxy Watch 9 L340 smartwatch, it's crucial to understand how the everyday usability, capabilities, and limitations match your expectations. Battery, connectivity, and user experience are the areas where you'll feel the most difference between models in practice. Pay particular attention to how you'll use it and the basic functionalities you really need.

• The battery life is sufficient for an average daily routine, but intensive use of advanced features (e.g. GPS or frequent notifications) will most likely require daily charging.
• The compact size (40 mm) is comfortable for smaller or sensitive wrists and suitable for wearing even while sleeping, but it comes with a slightly smaller display compared to larger models.
• Although the watch has built-in GPS, it allows independent location recording without a connection to the phone, but independent voice communication (calls without a phone) is not possible if the model does not support the LTE/eSIM option.
• The smartwatch works best with Android phones, especially Samsung Galaxy, while some advanced options may be limited when connected to other phone brands.
• The selection of features for monitoring activity, health, and notifications is balanced for the typical user, but extreme athletes or more demanding users may miss longer autonomy or advanced sports profiles.

Source of editorial recommendations: ENAA guides and team experience.

In practice

🟢 Everyday use with Android phone

The watch is very suitable for Android device users - synchronization, notifications, and health functions work smoothly, especially in the Samsung ecosystem.

🟡 Activity tracking and sports (running, walking, cycling)

Suitable with limitations – GPS allows for accurate route tracking, but limited battery life can be a challenge for longer activities without intermediate charging.

🟡 Use during sleep (sleep monitoring)

Suitable with limitations – the smaller size and lightweight design are comfortable for sleeping, but if you use the watch to track all your activities and notifications during the day, regular charging at night or in the morning is necessary.

🔴 Calling without a phone (standalone SIM/eSIM use)

Less convenient – the current model without LTE/eSIM connection does not allow for standalone calls without the presence of a phone nearby.

🟢 Time display, basic notifications and step counting

Very convenient – all basic functions work smoothly, the AMOLED screen is responsive even in sunlight.

🟡 Use with iPhone

Compatible with limitations - the watch is compatible, but some features and notifications may be limited compared to using it on Android.

Answers to frequently asked questions

Is the Samsung Galaxy Watch 9 L340 suitable for use with every Android phone?

The watch is most optimized for Samsung phones, but it can be used with most Android devices, with all basic functions supported.

How long does the battery last under normal use?

With normal use (notifications, activity tracking, occasional GPS), the watch needs to be charged every day or two, but very intensive use can shorten the time until charging.

Can I make and receive calls with my watch without a phone?

This model allows you to make calls when your phone is nearby and connected via Bluetooth. Standalone calling without a phone is not available.

Is the watch suitable for smaller wrists and wearing while sleeping?

Yes, due to its 40 mm diameter and lightweight strap, it is also suitable for night wear and smaller wrists.

Does all functionality work with an iPhone?

The basic features work, but some of the more advanced options may be limited compared to connecting to Android devices.

Description updated: September 2026

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Why buy from ENAA?

• The descriptions and recommendations on ENAA are designed neutrally, with an emphasis on transparent data and real experiences - we leave the decision to you.
• We follow European prices and ensure the competitive lowest average price of smartwatches in Slovenia.