Build for active lifestyles, SonicM Activ lets you power through workouts with your favorite tunes, without the tangled mess of wires or cables. With an IPX7-rated sweat-resistant design and passive noise cancelling ear tips that provide a snug and secure fit, Sonic M stays with you wherever your day takes you, giving you 8 hours of non-stop listening time, and with a cVc 6.0 Noise Cancellation mic, you can make crystal-clear calls no matter where you are.