If you are looking for earphones with minimalist and understated elegance look no further than the CX 870 ear canal phones. Their chrome plated parts add a touch of shimmer for a look that is classic with a contemporary flair. Sound-wise you will be treated to a powerful stereo sound with a precise bass - all thanks to their high performance dynamic speaker systems and diaphragm guards. Their dual hardness silicon ear adapters ensure a personalised comfort fit as well as high passive attenuation of ambient noise. Features include Sophisticated ergonomic design with high performance dynamic speaker systems Silicone ear adapters for a personalised comfort fit Diaphragm guards for an enhanced audio performance Optimised for MP3 iPod iPhone and portable media players Technical Data Frequency response 17 - 22500 Hz Sound pressure level (SPL) 115 dB Impedance 32 Ω THD (total harmonic distortion) less than 0.1 % (1 kHz 100 dB SPL) Jack plug 3.5 mm angled Cable length 1.2 m symmetrical Weight 13 g Avoid using headphones with the volume turned up for an extended period of time. Doing so can damage your hearing. It is advisable to keep the volume at a moderate level at all times. For your own safety please do not use when driving or cycling.