1.High sound quality. 2.Newest and popular headphone. 3.Long-term comfortable wearing without fatigue. FeaturesHigh sound quality headphoneEarcap PlasticCord Length1.2MFrequency Response20~20,000HzPackagePE/PP bag insert a model paper card,then in export cartonDelivery timeApprox 7~30 days after sample approvalTransportationDHL,UPS,FedEx,EMS ,by ship, by sea etc High sound quality headphone