These headphones are a great option if you would like shop in an eco-conscious way. But even if you don't care about green tech, the 80-hour battery life (when you even handle to empty them much more quickly than ambient mild can recharge them) can make them ideal for prolonged 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/