There’s no companion application to change how the buttons work or to change the EQ, and no Bluetooth Multipoint, Nonetheless they have good protection from drinking water, superb battery life (nine several hours/46 hours full), and their case supports wireless charging — a scarce element even over the priciest models. 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/