I’ll be straightforward: I hardly ever still left them on for eight hrs inside of a row, but I do know someone with the WF-XM4s who sleeps with them in and explained to me they'd last an entire night – and the XM5 battery life is purportedly better. When you 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/