Heart Rate Sensor Polar H10 Bluetooth Smart Medium - 2X-Large / 26-3/8 to 37-13/32 Inch Chest Circumference

Features

• Allows you to keep track of your heart rate at all times
• Compatible with iOS mobile devices and updates are available via mobile phone using the Polar Flow app or Polar Beat app or a with a Polar watch (sold separately)
• Use at the gym, on a run, while exercising at home, or during physical therapy
• Improved electrodes ensure that your heart rate is measured correctly and without interference
• Water resistant up to 30 meters, and is suitable for swimming
• Features a CR 2025 battery that includes a 400 hour battery life with a BLE and 5 kHz transmission< /li>
• Built-in memory holds data from one training session, and can be transferred to Polar’s free fitness and training app
• Improved belt buckle and silicone dots are used to keep the Polar H10 firmly in place during exercise and training