The CatEye heart rate sensor V3n V3, V2c is a highly advanced heart rate strap designed for precise heart rate measurements during physical activities. It offers reliable and continuous heart rate monitoring, which is crucial for athletes and fitness enthusiasts to optimize their training intensity. The sensor is compatible with the CatEye brand and can be easily integrated into existing training systems. Its ergonomic design ensures a comfortable fit, preventing the strap from slipping even during intense movements. The technology behind the sensor guarantees accurate heart rate detection, providing valuable support for performance analysis and improving fitness goals. The heart rate sensor is ideal for anyone looking to monitor their physical activity and keep track of their health.