Haylou RS4 PLUS

Key Features;

• 1.58" AMOLED screen display
• Multi-path optical heart rate sensor
•  Skin temperature sensor
• Ambient light sensor
• Built-in GPS + GLONASS
• PurePulse® 2.0
• Menstrual health tracking
• 20+ goal-based exercise modes
•  6+ days of normal usage

Key features:

• Run, bike, hike and more phone-free—and see your real-time pace & distance—with built-in GPS. Then check out your workout intensity map in the Fitbit app
• Active Zone Minutes uses your resting heart rate to gauge exercise effort and gives you a buzz when you step up the intensity so you can make the most of your workouts
• Better track heart rate 24/7 with PurePulse 2.0, Fitbit’s enhanced heart rate technology
• Use your voice with Amazon Alexa Built-in to check the weather, set reminders, control smart home appliances and more from your watch (Voice assistant availability and features may vary)
• Free 90-day Fitbit Premium trial for new Premium users