The Classic ANR Headset is built with comfort features not found in similar headsets. With overstuffed Conform foam ear seals and larger than normal headband, the classic aviation style provides extended comfort and performance. With **Precision flex boom with noise canceling electret microphone. **Dual-Volume controls allow for independent volume adjustment in each ear dome. **Chrome headband with a washable polar fleece headpad. ** Stereo/mono switch ensures audio compatibility. **In-line, “drop-and-go” 9-V Battery. **Provides and additional 14-18dB noise attenuation at low key frequencies. **Mic muff and carrying case included, weighs 17.9 oz., 3- year warranty.