The Heart Rate Monitor Grey Jakob Edition by Coros is an innovative heart rate strap that offers optimal comfort and precise heart rate measurements. Unlike traditional chest straps, this optical model is comfortable to wear and adapts flexibly to arm circumferences from 18 to 32 cm. The latest multi-channel technology enables real-time measurements with surgical accuracy, ensuring users always receive reliable data. The comprehensive connectivity allows for up to three simultaneous connections with Bluetooth-compatible devices and apps, making integration into existing training systems easier. Thanks to the automatic detection when put on, the heart rate strap is ready to use immediately, allowing users to start their training sessions without delay. The impressive battery life of up to 38 hours with full use and 80 days in standby mode ensures that the strap won't let you down even during intense training sessions. The magnetic charging allows for easy and quick handling, while the ultra-soft material ensures a secure fit, whether running or during intense workouts.

• Optical multi-channel technology for precise real-time measurements
• Comfortable design for arm circumferences from 18 to 32 cm
• Up to 3 simultaneous Bluetooth connections possible
• Automatic detection when put on for immediate use
• 38 hours of battery life with full use.