I’ll be straightforward: I by no means remaining them on for 8 hours in the row, but I do know a person with the WF-XM4s who sleeps with them in and told me they would last a complete night – and the XM5 battery life is purportedly far better. They https://allhealthmarket.com/product/smart-wearables/smart-electronics-smart-wearables/headsets/original-lenovo-gm2-pro-5-3-earphone-bluetooth-wireless-gaming-earbuds-headsets-headphones-hd-call-dual-mode-gaming-headset-with-mic/