The buttons to mute/unmute, Engage in/pause, and control volume are on the right earcup, plus they’re tiny, in order that they take some receiving used to. They’re nicely spaced, however, along with the mute button is for the entrance on the earcup, individual with the volume and Engage in buttons https://allhealthmarket.com/product/smart-wearables/smart-electronics-smart-wearables/headsets/lenovo-lp40-pro-earphones-tws-bluetooth-5-1-wireless-sports-headphone-waterproof-sport-noise-reduction-headphones-touch-control-250mah/