Fastrack Radiant FX4 – Quick Summary
Fastrack Radiant FX4 is a smartwatch from Fastrack designed for men and women. Key highlights include a 1.51 inches AMOLED display, Up to 5 Days of battery life, Bluetooth Calling, SpO2 monitoring and 100+ sports modes. The best price in India is ₹5,499 on Amazon (MRP ₹7,995, 31% off). It is available at 2 stores. It is rated 4.3/5 from 347 ratings.
- Price by store: Amazon ₹5,499; Flipkart ₹5,499.
- Price history: All-time low ₹3,759, all-time high ₹7,995, average ₹5,326. The current price is about 3% above its average.
- Price position: Priced lower than 34% of the 1412 smartwatches listed on WatchPriceIndia. Fastrack has 115 smartwatches listed; this is the 108th cheapest.
- Display: 1.51 inches AMOLED, 466 x 466 pixels, 550 nits peak brightness, always-on display.
- Battery: Battery life is rated up to 5 Days, 2 hours charge time.
- Calling: Bluetooth Calling with Dial Pad, Call History, Sync Contacts, Reject Call.
- Health & fitness: Heart Rate Monitor, SpO2, Sleep Tracking, Stress Monitoring, Women's Health Tracking, Step Count and Calorie Count; 100+ sports modes.
- Connectivity: Bluetooth 5.3.
- Water resistance: IP68, 1.5 mm.
- Platform: works with Android, iOS, RAM: 128 MB.
- Other: companion app: Fastrack Smart World, warranty: 1 Year.
Price segment: Fastrack Radiant FX4 is in the mid-range segment (₹3,001 – ₹10,000).
Best suited for: answering calls from the wrist, health monitoring and fitness tracking with 100+ sports modes.
Keep in mind: no built-in GPS, no NFC and no ECG.
Prices last checked: . All prices in INR.
Fastrack Radiant FX4 Smartwatch - Full Review, Price & Should You Buy?
Last updated:Elevate your everyday with the Fastrack Radiant FX4 smartwatch, a perfect blend of style and smart functionality. Designed for the modern trendsetter, this smartwatch boasts a vibrant display and a sleek, comfortable design that complements any outfit. Stay on top of your health goals with comprehensive tracking features, including heart rate monitoring, sleep analysis, and multiple sports modes. Seamlessly manage calls, notifications, and music directly from your wrist, keeping you connected without missing a beat. With its robust build and intuitive interface, the Fastrack Radiant FX4 is more than just a timepiece – it's your ultimate lifestyle companion, empowering you to live smarter and shine brighter.
Best Prices Across All Stores
Live prices updated every hour. Click to buy directly from the store.
| Store | Price | Discount | Delivery | Action |
|---|---|---|---|---|
BEST PRICE |
₹5,499 | 31% OFF | ✔ Free, 3 - 6 Days | Buy Now → |
| ₹5,499 | 31% OFF | ✔ Free, 2 - 3 Days | Buy → | |
| ₹5,795 | 30% OFF | ✔ Free, 2 - 3 Days | Buy → | |
| ₹4,549 | 43% OFF | ✔ Free, 3 - 6 Days | Out of Stock → | |
| ₹5,651 | 29% OFF | ✔ Free, 2 - 5 Days | Out of Stock → |
⚡ Prices last updated: 27 minutes ago. Prices may change. Verify on retailer site before purchase.
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Complete Specifications
| Brand | Fastrack |
| Ideal for | Men, Women |
| Model Number | 38158NM01 |
| Model Name | Radiant FX4 |
| Dial Color | Black |
| Dial Shape | Round |
| Strap Color | Black |
| Strap Material | Stainless Steel |
| Dial Material | Metal |
| Size | Free Size |
| Width | 44.05 mm |
| Height | 36 mm |
| Thickness | 11.5 mm |
| Diameter | 1.51 inches |
| Weight | 120 g |
| Number Of Buttons | 1 |
| Closure | Clip Clasp |
| Scratch Resistant | No |
| Water Resistant | Yes |
| Water Resistance Depth | 1.5 mm |
| IP / ATM Rating | IP68 |
| Rotating Crown / Bezel | Yes |
| Display Type | AMOLED |
| Display Size | 1.51 inches |
| Display Resolution | 466 x 466 pixels |
| Touchscreen | Yes |
| Backlight Display | Yes |
| Date & Time Display | Digital |
| Peak Brightness | 550 nits |
| Always-On Display | Yes |
| Other Display Features | Always-On Display |
| Battery Life | Up to 5 Days |
| Rechargeable Battery | Yes |
| Battery Type | Lithium Polymer |
| Charge Time | 2 hours |
| Charger Type | Magnetic Pin Charger |
| Wireless Charging | No |
| Fast Charging | No |
| Bluetooth | Yes |
| Bluetooth Version | 5.3 |
| Wi-Fi | No |
| Compatible Device | Smartphones |
| Operating Range | 10 m |
| Compatible Operating System | Android, iOS |
| RAM | 128 MB |
| Expandable Memory | No |
| Microphone | Yes |
| Speaker | Yes |
| Audio Features | Music Control |
| Call Function | Bluetooth Calling |
| Call Features | Dial Pad, Call History, Sync Contacts, Reject Call |
| Messaging Support | Yes |
| Email Support | No |
| Notification | Yes |
| Notification Type | Vibration, Ring |
| Voice Control | Yes |
| Gesture Control | No |
| Third Party App Support | No |
| Calendar | Yes |
| Alarm Clock | Yes |
| NFC | No |
| eSIM / Cellular | No |
| Music Control | Yes |
| Companion App | Fastrack Smart World |
| Watch Faces | 100+ |
| Other Watch Functions | Timer, Stopwatch, Weather, Find My Phone, AI Voice Assistant |
| Usage | Fitness, Lifestyle |
| Language | English |
| Chronograph | No |
| Warranty | 1 Year |
| Watch Type | Smartwatch |
| Other Features | Calculator, In-built Games |
| Sensor | Accelerometer, Optical Heart Rate Sensor, SpO2 Sensor |
| Heart Rate Monitor | Yes |
| Step Count | Yes |
| Calorie Count | Yes |
| GPS | No |
| Compass | No |
| Altimeter | No |
| Blood Oxygen (SpO2) | Yes |
| ECG | No |
| Blood Pressure Monitor | No |
| Skin Temperature Sensor | No |
| Sleep Tracking | Yes |
| Stress Monitoring | Yes |
| Respiratory Rate | No |
| Women's Health / Cycle Tracking | Yes |
| Sports Modes | 100+ |
| VO2 Max | No |
| Fall Detection | No |
| Crash Detection | No |
| Emergency SOS | No |
| Other Fitness Features | Sedentary Reminder, Hydration Reminder, Breathing Exercise |
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Fastrack Radiant FX4 Smartwatch Buying Guide & FAQs
What is the price of Fastrack Radiant FX4 in India?
The best price of Fastrack Radiant FX4 in India is ₹5,499 on Amazon against an MRP of ₹7,995.
Where can I buy Fastrack Radiant FX4?
Fastrack Radiant FX4 is available at 2 stores: Amazon ₹5,499; Flipkart ₹5,499.
What is the lowest price of Fastrack Radiant FX4?
All-time low ₹3,759, all-time high ₹7,995, average ₹5,326. The current price is about 3% above its average.
What is the battery life of Fastrack Radiant FX4?
Fastrack Radiant FX4 has a rated battery life of up to 5 Days.
Does Fastrack Radiant FX4 support calling?
Yes, Fastrack Radiant FX4 supports Bluetooth Calling.
Is Fastrack Radiant FX4 water resistant?
Fastrack Radiant FX4 is water resistant (IP68, 1.5 mm).
What health features does Fastrack Radiant FX4 have?
Fastrack Radiant FX4 offers Heart Rate Monitor, SpO2, Sleep Tracking, Stress Monitoring, Women's Health Tracking, Step Count and Calorie Count and 100+ sports modes.