Assertion: headphone's battery life | /r/HasProperty | 20 hours
Facets:
Source sentences:
text: | Battery Life (Rated): 20 hours (NC on)
text: Battery life: Up to 20 hours
text: | Battery Life (Rated): 20 hours (NC on), 40 hours (NC off)
text: | Battery Life (Rated): 20 hours (NC on)
text: | Battery Life (Rated): 20 hours (NC on), 40 hours (NC off)
text: Claimed battery life is 20 hours.