The latter are pretty much sorted currently, even so the Flex could use somewhat help in the audio department. Obviously, these are typically $50 earbuds, so it’s no shock there’s not an adjustable equalizer. Beats hasn’t accomplished that in past times, along with the Flex would be a Odd place https://allhealthmarket.com/product/smart-wearables/smart-electronics-smart-wearables/headsets/original-lenovo-lp40-pro-tws-earphones-wireless-bluetooth-5-0-earbuds-headphone/