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Fastrack Radiant FX4
Released:2025•OS:Proprietary OS (Android/iOS compatible via Fastrack app)
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Specifications
Processor
Unspecified
Display
1.51" AMOLED Display (466×466 pixels), 550 nits brightness
Battery
Battery Life:Up to ~5 days (typical usage)
Charging:Magnetic Charging (~2 hours full charge)
Sensors
Heart Rate Monitor (24×7), SpO₂ (Blood Oxygen) Monitor, Sleep Monitor (with REM tracking), Auto Stress Monitor, Female Health Tracker (Menstrual Cycle), Accelerometer
Water Resistance
IP68 (dust & water resistant)
Connectivity
Bluetooth 5.3, SingleSync Bluetooth Calling (built-in mic & speaker)
Physical Aspects
Design:Metal alloy body with functional crown, Stainless-steel strap (Black), Unisex size
Weight:Approx. ~120 g
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