The Sennheiser CX 400-II Precision ear-canal headphones offer natural dynamic sound reproduction, bass-driven sound, and excellent sound suppression. Get ready to upgrade your sound quality thanks to Sennheiser's superior musical reproduction. This brilliant sound is achieved with neodynamic magnets that are tuned precisely to produce life-like natural sound. To block out the noise from the outside world and guarantee a brilliant sound experience, the CX400-II earphones are equipped with adaptors that will enable a snug fit. Three different sizes of these silicone gel ear-adaptors are include by Sennheiser to ensure the perfect fit for you. For ease and comfort the CX400-II have a volume control attached to the cable. And when the cable is in the way, the cable winder will allow you to "tidy-up" easily and quickly and stow these gems in the included carrying pouch. Frequency response - 17-22,000 Hz Includes - Two types of ear adapters in three different sizes (S/M/L) for a custom fit Various accessories included - cable clip, cable winder and carrying pouch Connector - Jack plug 1/8 (3.5 mm.) gold plug, angled Cable length - 3.9 ft. (1.2 m.) 2-year warranty.
Tips for Using Headphones:
1. Choose high quality headphones
2. Try to keep the volume between 40db ~ 60db ( like the volume of normal conversation, better be soft and not harsh ). Do not turn up for exciting seeking so as to avoid biting the ears and damaging hearing.
3. After listening for half and hour, take down the headphones and let your ears have a rest. Do remember not using for long time.
4. Do not wear headphones to listening to music when riding, driving or walking, so as to avoid accidents.
5. If appearing unpleasant symptoms like dizziness, earache, occlusion and so on, stop using headphones for a short time and be sure to get plenty of rest.
6. If appearing tinnitus ( like cicada crying, whistle, metallic sound and so on) or progressive reduction in hearing capacity, must go to the ENT to have a check and get the treatment in time. It is very importing to prevent deafness.
Note: Please do not compare our price to the other sellers that is selling the low, not the same quality. We only provide AAAAA version-best quality. if you need more quantity, pls contact us via online/skype(sophiekate007) or email@example.com. About payment methods, click payment.