Audio-Technica QuietPoint ATH-ANC3 Noise-Canceling Earphones
+QuietPoint® technology and an in-ear design reduce up to 85% (20 dB) of ambient noise. Tiny microphones in each earpiece pick up background sound, while sophisticated processing in the clip-on control box creates an out-of-phase signal to cancel it out.
+Monitor switch deactivates noise cancellation/audio so you can listen outside when you need to
+Audio functions (in passive mode) even without battery
+48" tangle-free cord with stereo mini plug
+up to 50 hours of noise-canceling operation on one "AAA" battery