1)headphones,earphones 2)supply different brands headphones 3)best service,high quality,timely delivery 4)CE & ROHS certs Foldable & Portable headphone MDR-6651)headphones,earphones 2)supply different brands headphones 3)best service,high quality,timely delivery 4)CE & ROHS certs Headphone specification: Speaker size:30mmSensitity:115dB+3dBImpedance:32ΩFrenquency response:10-20kHzCable:1.2mPlug ...