Product Name: HeadsetsModel Number: SK704MVPlace of Origin: ChinaHEADPHONE SECTION:Speaker Dimension: 40mm dia.Impedance: 32 OhmsSensitivity: 103dB S.P.L. at 1KHzFrequency Response: 20Hz-20,000HzRated

HEADPHONE SECTION:Speaker Dimension: 15mm dia.Impedance: 32 OhmsSensitivity: 108dB S.P.L. at 1KHzFrequency Response: 20Hz-20,000HzRated Power: 3mWPower Capability: 30mWCable Length: Approx. 1.2M +-0.3

HEADPHONE SECTION:Speaker Dimension: 15mm dia.Impedance: 32 OhmsSensitivity: 108dB S.P.L. at 1KHzFrequency Response: 20Hz-20,000HzRated Power: 3mWPower Capability: 30mWCable Length: Approx. 1.2M +-0.3

Easy OperationPower voltage indicatorLow temperature risingPlug auto-lockPower Rating Max. 6AApplication Voltage 100~240VacSurge ProtectorChildren Safety ShutterLight Indicator for Surge StatusPower L

Easy OperationPower voltage indicatorLow temperature risingPlug auto-lockPower Rating Max. 6AApplication Voltage 100~240VacSurge ProtectorChildren Safety ShutterLight Indicator for Surge StatusPower L

Frequency range: 20-20,000HzActive noise attenuation: 100-1,000Hz>10dB at 300HzMaximum Power Input: 500mWSensitivity: 102dBImpedance: 64OhmJack: 3.5mm-6.3mm (1/4)plug + Airplane jackCord length: Appro

Microphone Unit: 6X2.7 mm Dia. Electret condenserMicrophone Directivity: Omni DirectionSensitivity: -58dB +-3dBStandard Operating Voltage: 3VCable length: Approx.2.5m

Simple desk microphone for internet conference/ chat, with on/off switch.

Good quality with cheap price.