With the Coros Heart Rate Monitor, you'll have access to valuable and accurate data that can help you track your training goals and improve your overall fitness and health. You can easily track your workouts for over 38 hours using any Bluetooth heart rate-enabled device, all while staying free of distractions.

Wearing on the arm gives the Coros optical sensor an optimal amount of blood flow to gather heart rate data with accuracy equivalent to that of a traditional chest strap, but in an easier and more comfortable wearing spot.  

Features

• Comfortable and simpler to wear than a chest strap.
• Easy to adjust the fit and remove the sensor for quick cleaning.
• Our latest multi-channel optical sensor for precise measurement.
• Up to 3 simultaneous connections with Bluetooth-enabled devices.
• Wear detection allows for automatic device pairing for new workouts.
• 38 hours of full operation or 80 days in standby mode on a single charge.
• Rechargeable with a magnetic USB charging cable.

Specifications

• Weight: 19g
• Activity Mode: 38 hours        
  
• Standby Mode: 80 days        
  
• Battery Capacity: 55 mAh        
  
• Charging Time: Less than 2 hours
• Wireless Connection: Bluetooth        
  
• Supported Devices: Bluetooth-compatible devices that receive heart rate data