Wireless range: up to 10 meters Bluetooth Running Headphones Unique sound experience: ergonomic wireless headphones offer unrivaled personalization options, high quality sound with powerful bass and autonomy up to 28 h Intelligent noise control: For optimal on the move, offers unique sound insulation while capturing sounds external to demand with technology Impeccable quality of call: our compact headphones with classic design are equipped with four microphones for conversations of crystal clear clarity - for a reliable voice capture, everywhere everywhere Simplicity: Take advantage of Android compatible applications: Integrated Alexa, Spotify Tap Playback and Google Fast Pair. Use one earphone while the other recharges in mono mode Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia