Polywell Fitness-Tracker, Aktivitätstracker mit Herzfrequenz-Monitor und Schlaf-Monitor, Bluetooth, wasserdicht, Schrittzähler und Kalorienzähler

https://amzn.to/2N3AWuz

  • All day activity tracker: This high-quality fitness tracker can accurately record your sports data and activities throughout the day such as steps, distance, calories burned and many sports modes.
  • Built-in USB plug and durable battery. Built-in USB connector makes it easier to charge with any USB charger or computer.
  • Smart message notification. Never miss a message. With the fast Bluetooth connection, you can receive call, calendar, SMS and SNS (Facebook, Twitter, Instagram, Whatsapp) notifications.
  • Other main features: waterproof design. Never worry that rain water and sweat will damage the watch. It also has a bright OLED display, stopwatch, sedentary reminder, phone etc.
  • Heart rate monitor and sleep monitoring. It can automatically track your heart rate and give a comprehensive analysis of sleep quality to help you maintain a healthier lifestyle.