These in-ear headphones combine excellent sound quality including Active Noise Cancellation and a powerful new sound transducer with integrated fitness in-ear sensors. This is realised with a photoplethysmography (PPG) heart rate sensor and a body temperature sensor. Both can send their measurement data to popular fitness apps and devices...

Comfortable to wear in-ear headphones with innovative features and a long-lasting battery. However, the controls take some getting used to.