Assertion: headphone's battery | /r/CapableOf | last on full charge
Facets:
Source sentences:
text: On the back, there's a micro USB input for charging the internal battery, which should last 12 hours on a full charge (though it depends on volume level).
text: On the back, there's a micro USB input for charging the internal battery, which should last 12 hours on a full charge (though it depends on volume level).