Sadly, 19 several hours is all you can get: The charging case to the OWS is just that — it will charge the earbuds when connected to power (by using USB-C) nonetheless it has no battery of its have. Having said that, that modifications whenever you dig in the Sony 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/