Sennheiser CXC700 In-Ear Headphone Type: Noise Cancelling Frequency Response: 20Hz-21KHz THD: Input Impedance: 45/300Os (passive/active) Sensitivity: 113 dB Cord Length: 4.5 ft, dual sided, symmetrical Weight: 9.4 oz. Package Contents: CXC 700 ear canal phones Silicon ear adapter set (small, medium, large) Inflight adapter (3.5mm double mono jack) 1/4 (6.3mm) mm adapter plug AAA alkaline battery (1.5V) Pair of diaphragm guards Cleaning tool Storage pouch Instruction manual |