Fitbit Sense Smart Watch

Product Information 

• SensorsComponents:optical heart rate sensor, Skin temperature sensor, NFC,
• Built-in GPS + GLONASS, Speaker, Microphone
  
• Tracking Features:Stress Management, High/Low Heart Rate Notifications, Skin
• Temperature Sensor, Sleep Tools for Better ZZZs
  
• OS Compatibility: Android and IOS
  
• Water Resistance:Up to 50 metres
  
• Battery/Power:up to 6 days