Speaker size: 50mm Impedance: 15Ω+-15% Sensitivity: 102+-3db Frequency range: 20HZ-20KHZ Microphone size: 6.0*5.0mm Microphone sensitivity: -38+-3dB Microphone impedance: ≦2.2KΩ Directionality: omnidirectional Line length: 2.0M+-0.15 LED working voltage: DC5V+-5% Working current: ≦180mA Headphone jack: USB+3.5MM



