COROS Heart Rate Monitor

Key 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. 

Product Specifications:

• Dimensions: 42.5 x 28.4 x 9.1mm
• Weight - Sensor Only: 9.7g
• Weight - Sensor + Band: 19g
• Band Material: Polyester fiber, nylon, spandex
• Optical Heart Rate Hardware: 5 LED lights with 4 photodetectors
• Arm Size: 7.09-12.6 inches (18-32cm)
• Wearing Position: Bicep
• Wireless Connection: Bluetooth
• Supported Devices: Bluetooth-compatible devices that receive heart rate data
• Data Sync: Real-time heart rate data
• Water Resistance: 3 ATM
• Activity Mode: 38 hours
• Standby Mode: 80 days
• Battery Capacity: 55 mAh
• Charging Time: Less than 2 hours