The Classic ANR is built with comfort features not found in similar headsets. With overstuffed Confor® foam ear seals and larger than normal headband, the classic aviation style provides extended comfort and performance. • 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-volt battery • Provides an additional 14-18dB noise attenuation at key low frequencies • Mic muff and carrying case included • Weighs 17.9 oz. • Three-year warranty