Mars R4

• Colors: Titanium, Sliver, Gold
• Dimensions : 45.6*45.6*10.6mm
• Weight (without strap): 51.3g
• Body Material: 
  Vacuum-plated zinc-titanium alloy
• Buttons: 2
• Water-resistance Grade: 1ATM
• Mic: Support
• Motor: Linear motor
• Strap:
  Materials: Leather
  Width: 22mm
  Min. & Max. Wrist Dimensions: 145mm-210mm
  Buckle: Classic pin buckle

• Material: AMOLED
• Size: 1.43"
• Resolution: 460*460 px
• Touchscreen: Gorilla Glass

• Battery Capacity: 300 mAh (rated value)
• Charging Method: Magnetic charging base
• Theoretical Charging Duration: Approx. 2 hours
• Battery Usage:
  Typical Usage Scenario Battery Life: Up to 8 days
  Battery Saver Mode Battery Life: Up to 25 days
  Heavy Usage Scenario Battery Life: Up to 3 days
  Winter Battery Life: At least 3 days

• Health:
  AolonTracker™ 5.0 PPG biometric sensor
• Movement:
  Acceleration sensor
  Gyroscope sensor
  Temperature sensor
• Connection:
  Bluetooth 5.4

• Supported Devices:
  Android 7.0 and above, iOS 11.0 and above

Sports Features

• Sports Modes: 100+
• Advanced Running Support: Track Run mode, BPM Track, AVG Distance & AVG Pace Track
• Sync to 3rd Party Fitness Apps²⁰: Strava, Apple Health

Health Features

• Manual Measurement: Blood pressure, Blood glucose.
• Auto Measurement: Heart rate, Blood-oxygen saturation, Stress level.
• Sleep Quality Monitoring: Sleep stages (including REM), Daytime naps, Sleep breathing quality, Sleep score
• Health Assessment System: PAI
• Breathing Exercise: Support, Breath-holding training, Breath-holding test
• Health Reminders: Abnormally high & low heart rate, Low blood-oxygen, High stress level, Prompts to perform stress-reducing breathing exercise,

• Positioning:
  AGPS: Support
  
• GPS Modes:
  Automatic Mode: Support (intelligently switches GPS settings based on signal strength, to save power)
  Accuracy Mode: Support
  Automatic Mode: Support (intelligently switches GPS settings based on signal strength, to save power)
  Power Saving Mode: Support
  GPS Long Battery Life Mode: Support (only supported by Hiking & Climbing sports modes)
  GPS Max Battery Life⁵: Support (only supported by Hiking & Climbing sports modes)
  
• Outdoor & Environment Tools:
  Compass: Support

• Convenience:
  OTA Update via Wi-Fi: Support
• Smartphone Assistance:
  Bluetooth Phone Music Control: Support
  Bluetooth Phone Camera Control (iOS only): Support
  Phone Call Notifications: Support
  SMS Notifications: Support
  App Notifications: Support
  Call Quick Reply(Android only): Support
  Find My Phone: Support
  
• Timing:
  Alarm Clock: Support
  World Clock: Support
  Stopwatch: Support
  Pomodoro Timer: Support
  
• Daily Life:
  Weather: Support
  Thermometer: Support
  Do Not Disturb: Support

• Running & Cardio:
  Outdoor Running, Outdoor Walking, Indoor Walking, Indoor Running, Trail Running, Treadmill, Stepper, Aerobic Exercise, Mixed Aerobics, HIIT
• Cycling & Gym Equipment：
  Outdoor Cycling, Indoor Cycling, Hiking, Elliptical Trainer, Rowing Machine, Stair Climbing / Stair Climber, Scooter
• Ball Sports:
  General Ball Sports, Basketball, Badminton, Table Tennis, Tennis, Billiards, Bowling, Volleyball, Beach Volleyball, Soccer / Football, Beach Soccer, Handball, Baseball, Softball, Cricket, American Football, Field Hockey, Squash, Sepak Takraw, Dodgeball, Golf, Polo, Gate Ball, Pickleball, Lacrosse, Ice Hockey, Curling
• Strength & Functional Training:
  General Exercise, Muscle Strength Training, Functional Training, Physical Fitness Training, Core Training, Circuit Training, Traditional Strength Training, Cross-Training, Weightlifting, Kettlebell Training, P90X, Aerobics, Barre, Boxing, Boxing Aerobics, Taekwondo, Karate, Kendo, Fencing, Mixed Martial Arts (MMA), Kickboxing, Wrestling, Stair Training
• Yoga & Dance:
  Yoga, Yoga Cat Pose, Yoga Cow Pose, Yoga Cobra Pose, Yoga Hero Pose 1/2/3, Yoga Roller, Dance, General Dance, Belly Dance, Jazz Dance, Latin Dance, Ballet, Hip-Hop Dance, Square Dance, Zumba, Social Dance, Tap Dance, Group Gymnastics, Flexibility Exercise, Gymnastics
• Water & Ice Sports:
  General Water Sports, Sailing, Canoeing, Dragon Boat Racing, Kayaking, Rowing, General Ice Sports, Skating, Snowmobile, Luge / Sledding
• Winter & Extreme Sports:
  Skiing, Cross-Country Skiing, Snowboarding, Biathlon, Snowshoeing, Snow Sports, General Extreme Sports, Skateboarding, Roller Skating, Rock Climbing, Bungee Jumping, Parkour, BMX (Bicycle Motocross), Orienteering, Paragliding
• Leisure & Daily Activities:
  Martial Arts, Tai Chi, Hula Hoop, Frisbee, Darts, Archery, Horse Riding, Equestrian Sports, Kite Flying, Tug of War, Swing, Fishing, Team Sports, Meditation, Resting, Inclining, Wheelchair Mobility, Taking the Elevator, Taking the Escalator, Gardening, Housework, In the Car, Fitness Video Games, Competitive Games, Obstacle Race, Hunting, Free Training