There’s no companion app to change how the buttons work or to switch the EQ, and no Bluetooth Multipoint, but they have good protection from water, outstanding battery life (nine hrs/forty six hours total), and their case supports wireless charging — a scarce aspect even about the priciest models. It 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/