CresCendo
Type: Open Air ear-bud
Driver: 15.4mm dynamic
Frequency Range: 8hz - 28 Khz
Impedance: 32 ohm
Sensitivity: 105db +/- 5db
Plug: 3.5mm SE / 2.5mm Balanced Oyaide gold plated
Cable: Pure Copper (signal) and Pure Silver (Ground) with special cable treatment
Ear-bud Shell: Polycarbonate