Sony Heavy Bass Wired Professional Headphones

This product does not have the original box, if you need it, please contact customer service. If you have any quality  with the product, please contact me and I will solve it for you.
- driving unit: 40mm moving coil type;- output power: 500mW;- input power: 1000mW;- sensitivity: 106dB/mW;- frequency response: 10 ~ 20000Hz;- impedance: 63ohms at 1kHz;- wire: oxygen-free copper hinge line (with attached 3.5-turn 6.3mm joint);- line length:1.8-3 meters.(Can stretch)
About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 
Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning .Feedback Your satisfaction is our first priority If you receive the order and it is in good condition ,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.