Case size (L× W× H)51.1 × 44.5 × 16.6 mm Weight65 g Case and bezel materialCase / bezel material: Bio-based resin / Stainless steel BandBio-based resin band ConstructionShock Resistant Water resistance200-meter water resistance Power supply and battery life- Charging system compatible with dedicated cable (requires device with Type-A USB terminal)- Solar powered Sensor feature- Activities: Multi-sport (running, walking, others); Calculate and display distance, speed, pace, and other information using accelerometer; auto/manual lap function; auto pause function- Training Analysis: Cardio load status- Activity Log Data: Up to 100 runs with up to 200 laps each, measurement time, distance, pace, running index, calories burned, energy source used, heart rate, maximum heart rate, cardio load, pitch, maximum pitch, stride- Wrist Heart Rate Measurement (30~220 bpm): Heart rate, target heart rate setting, graphic heart rate zone indication, heart rate graph, maximum heart rate, minimum heart rate- Sleep Measurement: Sleep recovery status (6 stages), sleep recovery stage display, sleep status (5 stages), sleep score display range (1 to 100, measurement unit: 1), autonomic nerve status (5 stages), ANS score range (-10 to +10, measurement unit: 0.1)- Blood Oxygen Level Measurement*- Breathing Exercise: Setting range (2 to 20 minutes in 1-minute increments), biofeedback, zone-specific time summary- Step Count Measurement: 3-axis acceleration sensor, step count display range (0 to 99999 steps), step count reset: automatic reset at midnight every day- Active Time Measurement: Special algorithm measures movement time using status analysis (walking, running, biking, undefined)- Life Log: Step count, step count graph (week, month, 6 months), calories burned measurement, active time measurement- Step reminder