Cores high quality inner ear headphones with microphone offer perfect music quality.These earphones can be used with smart phones, music players, computers and CD players. The microphone and in-line controls allow for hands free conversation whilst on the go.FeaturesDynamic design, super bass and perfect music quality3.5mm jack compatible with most music players and mobile phonesTPE high elasticity stripe wire.Ear concave designed for a perfect fitIncludes in-line controlmicrophone for callsSpecificationType: In-earConnector: 3.5 mm jackImpedance: 32 ohmsSensitivity: 107dB/VFrequency response: 20Hz – 20kHzDriver size: 11.5mmCable length: 1.2mMicrophone: YesIn-line Controls: YesExtra Earpads: No