Sennheiser CX870 Earphones

Sophisticated Ergonomic design with high performance dynamic speaker systems
Silicon ear adapters for a personalized comfort fit ¦
Diaphragm guards for an enhanced audio performance ¦
Optimized for MP3, iPod, iPhone and portable media players ¦
Sennheiser 2-year warranty
Includes - CX 870 earphones, Ear adapter set, Diaphragm guards, Cleaning tool
Frequency response: 17 - 22500 Hz
Sound pressure level (SPL): 115 dB
Impedance: 32O
THD, total harmonic distortion: < 0.1 % (1 kHz, 100 dB SPL)
Jack plug: 3.5 mm angled
Cable length: 1.2 m symmetrical
Weight: 13 g
Ear coupling: Intramural (ear canal fit)
Transducer principle: Dynamic