One Touch Control & Voice Assistant: With one multifunction button, you can play/pause, previous/next track and answer/hang-up calls.Voice assistant function lets you access siri/Google Assistant. 20m Transmission Distance. 6mm Driver Size.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your