The R1 Blue transmitter from Sigma Sport transmits your heart rate via energy-saving Bluetooth Smart technology. This enables the R1 Blue to communicate with multiple smartphones, computers and sports devices. All sport apps that support Bluetooth Smart Ready technology and use heart rate data can display the R1 Blue's values. It's comfortable to wear and features laminated electrodes for ideal skin contact.
- 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
- User replaceable battery lasts more than 1.3 years
- Compatible with all Bluetooth Smart Ready devices