Drive Unit:50mm Sensitivity:118±3db Impedance:32Ώ±15% Frequence Response:20-20KHz Plug Type : 3.5mm*3+USB Maximum input power: 20mW Cable length/ Adapter Cable: 2m / 0.1m Microphone:6.0*5.0MM 100Hz-8KHz Working currrnt: 180mA Note: Microphone/Sound: Some products need to use an adapter cable