ISO14001 & ISP9001 Metal earphone with MIC crystal earphone for mp3/mobile phone Features:Full metal housing earbud•Rich bass generated from powerful driver• Tuned sound with wide dynamic rangeRemote control compatible with IPHONE Specification: Driver type: Dynamic transducer Driver size: 9.2mm Sensitivity: 90±3db Frequency responds: 20Hz-20KHz Impedance: 16Ω Rated power: 2mW Max input power: ...
