Key Features 

• 1.83-inch HD Display with vibrant visuals and smooth touch response.
• Bluetooth Calling with built-in speaker and microphone for hands-free communication.
• Functional Crown for easy navigation through menus and apps.
• Premium Metallic Finish for a stylish and durable design.
• 100+ Sports Modes to track a variety of fitness activities.
• 24/7 Heart Rate Monitoring for continuous health tracking.
• SpO₂ (Blood Oxygen) Monitoring to help monitor overall wellness.
• Sleep & Stress Monitoring for better health insights.
• IP68 Water & Dust Resistance for everyday durability.
• Smart Notifications & Voice Assistant Support for calls, messages, and quick access to your phone's voice assistant.

Specifications 

• Brand: boAt
• Model: Wave Astra 4
  
• Color: Multicolor
• Display: 1.83-inch HD Touch Display
• Calling Feature: Bluetooth Calling with Built-in Speaker & Microphone
• Control: Functional Rotating Crown
• Sports Modes: 100+ Sports Modes
• Health Features: Heart Rate, SpO₂, Sleep & Stress Monitoring
• Water Resistance: IP68 Rated
• Compatibility: Android & iOS
• Connectivity: Bluetooth Wireless