Amazfit GTS 4 Mini Smart Watch, Alexa Built-in, GPS, Fitness Tracker with 120 Sport Modes, 15-Day Battery Life, Heart Rate Blood Oxygen Monitor, Android & iPhone Compatible

Key Features

• Operating System: Zepp OS
• Memory Storage Capacity: 2.3 GB
• Special Features:
  • Activity Tracker
  • Oxymeter (SpO2)
  • Heart Rate Monitor
  • Sleep Monitor
  • Stress Monitor
  • GPS
  • Voice Control (Amazon Alexa)
• Connectivity Technology: Bluetooth, HDMI
• Wireless Communication Standard: Bluetooth
• Battery: Lithium-Ion, 270 mAh
• Battery Life:
  • 15 days on typical usage
  • Up to 45 days on battery saver mode
• Screen Size: 1.65 inches
• Shape: Heart
• GPS: Enabled (Supports 5 satellite positioning systems)
• Water Resistance: 5 ATM (up to 50 meters)
• Sports Modes: 120 with smart recognition for 7 activities
• Additional Features:
  • Circularly-polarized antenna technology for improved positioning accuracy
  • Amazon Alexa built-in
  • In-depth health tracking with simultaneous heart rate, SpO2, and stress testing