Earphones "Unlock my heart"
Specifications: “Unlock my heart” earphone modelAudio components: 16mm NdFeB magnetImpedance: 32 OhmSensitivity: 108 +/- 3dB @ 1KHzFrequency response: 20Hz ~ 20KHzMax. power: 10mWSize: 10cm x 3 cmLength of necklace chain: 60 cm