Speaker Size: 40mm
Frequency Range: 20-20,000Hz
Speaker Impedance: 32 Ω±15%
Speaker Sensitivity: 106dB±3dB
Microphone Impedance: 2200 Ω
Microphone Sensitivity: -36dB±2dB
Cable Length: 1.5M 2*3.5MM Jack Cable
Warranty: 1 year warranty
Box Content: 1. Stereo headset 2. Audio cable 3. Warranty card