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Fire-Boltt Call vs Fire-Boltt Invincible

• Fire-Boltt Call was first released on 01/01/1970. Its dial is available in a variety of colour like Black and ideal for Unisex. The Silicone strap is soft and light with good elasticity, giving you a comfortable wearing experience.
  
  Fire-Boltt Call is supported by the manufacturer with many additional utilities such as step counter, calorie counter, heart rate monitor, alarm clock, date and time display.
  
  Worthy of a watch used for fitness, this Fire-Boltt smartwatch has a lot of training modes, which can be mentioned as 7 sports modes.
  
  Moreover, the Fire-Boltt Call also owns useful sensors including blood oxygen saturation (SpO2) sensor, heart rate monitor, sleep monitor, meditative breathing sensor, menstrual reminders, sedentary reminders, hydration reminders. Despite integrating many smart features, the Call smart watch still gives an impressive battery life of up to 5 days.
  
  With the above great specifications and features, the Call deserves to become an ideal friend to help you do your fitness routine and take care of your health.
• Fire-Boltt Invincible was first released on 10/01/2021. Invincible is equipped with the AMOLED screen with a size of 34mm, showing a clear, realistic, high-contrast display image without consuming a lot of battery.
  
  Thanks to the optimal design, the Fire-Boltt Invincible has a compact size of 45 x 45 x 11mm (height x width x thickness) that fits most users' wrists and a weight of only 51.00g. You will certainly feel at ease even when wearing it a whole day long.
  
  Fire-Boltt Invincible is supported by the manufacturer with many additional utilities such as step counter, calorie counter, heart rate monitor, alarm clock, calendar, date and time display.
  
  Worthy of a watch used for fitness, this Fire-Boltt smartwatch has a lot of training modes, which can be mentioned as 100 sports modes.
  
  Moreover, the Fire-Boltt Invincible also owns useful sensors including Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor. Despite integrating many smart features, the Invincible smart watch still gives an impressive battery life of up to 7 days.
  
  With the above great specifications and features, the Invincible deserves to become an ideal friend to help you do your fitness routine and take care of your health.