Sigma R1 Bluetooth Heart Rate Monitor

Sigma Strap/Transmitter Heart Rate Accessories.

Specifications:

• Bluetooth Smart chest strap that provides ECG accurate heart rate to compatible mobile apps
• RR intervals in milliseconds for determining heart rate variability
• Ultra light, comfortable soft cloth chest strap with laminated electrodes that require only slight moistening
• Compatible with all Bluetooth Smart Ready devices
• User replaceable battery included