Wireless range: up to 10 meters Bluetooth running headphonesUnique sound experience: Ergonomic wireless earphones offer unparalleled personalization, high-quality sound, powerful bass and up to 28 hours of battery lifeIntelligent Noise Control: For optimal performance on the move, it provides unique sound insulation while technology captures external sounds to suit your needsImpeccable call quality: Our compact headset with classic design features four microphones for crystal clear calls - reliably capture your voice anytime, anywhereConvenient: Take advantage of Android-compatible apps: Alexa integration, Spotify Tap Playback and Google Fast Pair. Use one earbud while the other is charging in mono mode