Is it possible to pay attention to music if the battery operates down? Certainly, you may continue to listen to your supply regardless of whether the battery power is depleted. Without power, the headphones function in a very passive mode and neither active noise cancellation nor Active EQ is ready 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-2/