Detailed Technical Specifications

Product Information

• Product Name: Oraimo Watch 4 Lite Smart Watch
• Model Number: OSW-41L
• Brand: Oraimo
• Series: Lite Series (Budget-friendly)
• Category: Entry-Level Fitness Smartwatch
• Color Options: Midnight Black, Ocean Blue, Rose Pink, Mint Green
• Materials: Polycarbonate case, 2.5D curved glass, silicone strap
• Release Year: 2022
• Target Audience: First-time smartwatch users, budget-conscious buyers, teens

Display Specifications

• Screen Size: 1.69 inches diagonal
• Display Type: TFT LCD full-color display
• Resolution: 240 × 280 pixels
• Pixel Density: ~218 PPI
• Brightness: 350 nits maximum
• Touch Technology: Capacitive touchscreen
• Screen Protection: 2.5D curved tempered glass
• Always-On Display: No (wake-on-raise only)
• Watch Faces: 50+ pre-installed faces + 5 custom photo faces
• Display Features: Raise-to-wake, adjustable brightness (5 levels)

Hardware & Performance

• Processor: Low-power wearable chipset
• RAM: 32MB
• Storage: 64MB internal (for watch faces and basic data)
• Operating System: Real-time OS (RTOS)
• Connectivity: Bluetooth 5.0
• Bluetooth Range: Up to 10 meters (33 feet)
• Compatibility: Android 5.0+ / iOS 9.0+
• App Required: Oraimo Health App (free download)

Sensors & Tracking

• Bio-sensing Sensors:
  • Optical heart rate sensor (PPG)
  • Blood oxygen (SpO2) sensor
• Motion Sensors:
  • 3-axis accelerometer
  • 3-axis gyroscope
• Other Sensors:
  • Vibration motor for alerts
• Note: No built-in GPS (uses connected GPS via smartphone)

Health Monitoring Features

• Heart Rate Monitoring: 24/7 continuous tracking with resting HR
• Blood Oxygen: Manual SpO2 measurement (on-demand)
• Sleep Tracking: Basic sleep monitoring (light/deep sleep phases)
• Stress Monitoring: Basic stress level assessment
• Menstrual Cycle Tracking: Basic tracking with reminders
• Breathing Exercises: Guided 1-minute breathing sessions
• Hydration Reminder: Customizable water intake alerts
• Sedentary Reminder: Move reminder every hour
• Step Counter: Daily step tracking with goals
• Calorie Tracking: Estimated calories burned
• Distance Tracking: Estimated distance based on steps

Fitness & Sports Features

• Sports Modes: 100+ activity modes
• Auto Sport Detection: Basic auto-detection for walking and running
• Outdoor Activities: Walking, running, cycling, hiking
• Indoor Activities: Yoga, fitness, dance, basketball, badminton
• Water Sports: Swimming (IP68 rated for pool swimming)
• Training Data: Duration, heart rate, calories, distance (via connected GPS)
• Workout History: Stores up to 7 days of workout data on watch

Connectivity & Smart Features

• Call Notifications: Incoming call alerts with caller ID (answer/reject on phone)
• Message Notifications: SMS, WhatsApp, Facebook, Instagram, etc.
• App Notifications: All app notifications from smartphone
• Quick Replies: Pre-set quick replies for messages (Android only)
• Music Control: Play/pause, skip tracks, volume control
• Camera Control: Remote shutter for smartphone camera
• Find My Phone: Locate paired smartphone
• Weather Display: Current weather and 3-day forecast
• Alarm Clock: Multiple customizable alarms
• Stopwatch: Basic stopwatch function
• Timer: Countdown timer
• Calculator: Basic calculator function
• Do Not Disturb: Schedule or manually enable quiet mode

Battery & Charging

• Battery Capacity: 280mAh lithium polymer
• Typical Usage: 7-10 days (with notifications and heart rate monitoring)
• Heavy Usage: 5-7 days (with continuous monitoring and frequent notifications)
• Standby Time: Up to 30 days
• Charging Time: 2 hours (0-100%)
• Charging Method: Magnetic pogo-pin charging cable
• Charging Interface: USB-A charging cable included
• Battery Saver Mode: Basic power saving mode extends battery life

Durability & Protection

• Water Resistance: IP68 rated (1.5 meters for 30 minutes)
• Dust Resistance: IP68 rated (complete dust protection)
• Operating Temperature: -10°C to 50°C (14°F to 122°F)
• Suitable For: Rain, sweat, hand washing, showering, pool swimming
• Not Recommended: Diving, hot water, sauna, high-pressure water
• Shock Resistance: Basic drop resistance (1 meter onto hard surface)

Physical Specifications

• Dimensions: 44.4 × 37.6 × 11.6 mm
• Weight: 42g (with strap), 28g (case only)
• Case Material: Polycarbonate (lightweight plastic)
• Bezel: Plastic with metallic finish
• Back Cover: Polycarbonate with heart rate sensor
• Buttons: 1 physical side button
• Strap Material: Soft silicone (hypoallergenic)
• Strap Width: 20mm standard size
• Wrist Size: 140-220mm adjustable circumference
• Interchangeable Straps: Yes (standard 20mm quick-release bands)

Software & App Integration

• Companion App: Oraimo Health App (iOS & Android)
• App Features:
  • Health data dashboard (steps, heart rate, sleep)
  • Workout history and statistics
  • Sleep analysis with basic insights
  • Heart rate trends and resting heart rate
  • Watch face customization (limited selection)
  • Device settings and firmware updates
  • Goal setting and achievement tracking
• Supported Languages: 12 languages including English, Spanish, French, German, Italian, Portuguese, Russian
• Third-Party Integration: Basic integration with Apple Health and Google Fit

Package Contents

• 1 × Oraimo Watch 4 Lite
• 1 × Magnetic charging cable
• 1 × User manual
• 1 × Quick start guide
• 1 × Warranty card (12 months)

Warranty & Certifications

• Warranty Period: 12 months limited warranty
• Warranty Coverage: Manufacturing defects and hardware failures
• Certifications: CE, FCC, RoHS, Bluetooth SIG
• Customer Support: Email support, online knowledge base
• Software Updates: Occasional firmware updates via app

Operating Conditions

• Operating Temperature: -10°C to 50°C (14°F to 122°F)
• Storage Temperature: -20°C to 60°C (-4°F to 140°F)
• Operating Humidity: 10% to 90% RH (non-condensing)

Important Notes & Limitations

• No built-in GPS - uses connected GPS from smartphone
• Heart rate and SpO2 measurements for general wellness only
• Battery life varies based on usage patterns and settings
• Water resistance may decrease over time with wear
• Some features require smartphone connection via Bluetooth
• Quick reply feature available on Android devices only
• Limited storage for watch faces (stores up to 5 custom faces)
• Sleep tracking requires wearing the watch during sleep
• Not suitable for medical diagnosis or professional athletic training