• Driver unit: 40mm diameter
• Impedance: 32Ω
• Frequency response range: 20Hz to 20kHz
• Sensitivity: 115 ±3dB (at 1KHz)
• Maximum input power: 50mW
• Plug type: 3.5mm stereo
• Cord length: 1.2m
• Fashionable MP3 headset
• Stereo and high sound quality
• Adjustable headband, wearing comfortable
• Customized earphones colors, cable materials, speaker specifications and headphone packages are welcome