New. Altec Lansing Comfort Q Noise C 12 hrs working, 30anceling Wireless. Removable conference Mic that turns headphones into a work from office headset. 26 hours of continuous audio on a single charge. Quick charging times: 10 min charge = 6 hours working, 15 min charge = 9 hours working, 20 min charge = 12 hours working, 30 min charge = 18 hours working. CoolTeQ cooling ear cushions keeps your ears cool whiling listening to your music. Box Includes: Comfort Q Headphones, Removeable Conference Mic, USB-C Charging Cable, Carry Case, Quick Guide.