SIGMA ONYX Pro Heart Rate Monitor Watch

The SIGMA ONYX Pro Heart Rate Monitor Watch helps people who are looking to improve their training by using advanced data gathering and analysis technology. With an intuitive interface and with built in training monitoring and analysis capabilities, the Onyx PRO provides a competent match for all your training needs. Now you can easily find [...]

SIGMA ONYX Easy Heart Rate Monitor Watch

People looking to live a healthier and more active lifestyle need good training partners that can keep up with them. They should look no further than the SIGMA ONYX Easy Heart Rate Monitor Watch. With an intuitive interface and with built in training monitoring and analysis capabilities, the Onyx Easy provides a competent match for [...]