I’ll be honest: I by no means remaining them on for eight hrs in a row, but I do know another person with the WF-XM4s who sleeps with them in and informed me they might last a full night – and the XM5 battery life is purportedly much better. Should 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/