Assertion: headphone's battery | /r/CapableOf | outlast long gym session
Facets:
value: seriously
type: MANNER
Source sentences:
text: In their niche category, though, the JBL Reflect Flow headphones impressive performers for the money, especially if you want a bass-heavy sound for the gym without resorting to a pair of over-ear headphones – and the 10-hour battery (or 30 with the case) will outlast a seriously long gym session.