B&Ouml;HM B66 On Ear Wireless Bluetooth Headphones with Active Noise Cancellation ACTIVE NOISE CANCELLATION Made with Active Noise Cancelling technology, these premium earphones allow you to block outside ambient noise and enjoy focused listening with the flip of a switch. PREMIUM STEREO DRIVERS With 2 high end drivers cranking out thumping bass, prominent mids, and sparkling highs, these wireless Bluetooth headphones provide the listener an intensely detailed listening experience. 33 FOOT WIRELESS RANGE This on-ear headset features industry leading advanced Bluetooth 4.0, supporting A3DP, AVRCP, HFP, AND HS, and easily connecting to any Apple or Android smartphone, PC, laptop, or tablet and enjoy 33 feet of wireless mobility. HANDS FREE CALLING Answer incoming calls right on your stereo headphones, and your music will resume playing when the call ends. 16 HOURS PLAYTIME Charge your noise cancelling headset for only 3 hours and enjoy up to 16 hours playtime or up to 18 hours of talk time.