Features:
- Self-adjusting headband for optimum fit
- Flexible, sturdy microphone arm for maximum clarity

Specification:
- Frequency range: 20-20000Hz
- Loudspeaker impedance: 32Ω±15%
- Microphone sensitivity: -35dB±2dB(0dB=1V/Pa);-55dB±2dB(0dBV=1V/μbar)
- Rate input power: 5mW
- Max. input power: 15mW
- Jack plug: Φ3.5mm stereo
- Operating system: Windows 98/SE/ME/2000/XP or above

Package includes:
- Headphone x 1
- In retail package x 1