1. Q i In ear earphone Q1313 Specifications Connection as Ennai Sensitivity 102 dB 3 dB Frequency Range 20 Hz 20 kHz Impedance 320 Speaker Diameter 10 mm Cable length 15m Material Plastic Q1S13 Q1958 YP Q1824 Lolo lee Volume controle cTo Le 1a oJ LITS In ear system