Black Metal Stereo Handsfree Earphones

Features:

• Frequency Range: 20Hz~20kHz
• Sound Pressure Level: 107dB±3dB/100mW
• Total Harmonic Distortion: <=5,(Input Power: 10mW; Frequency Range: 20Hz~20kHz)
• Available in various colors and designs to meet customer needs.
• Crystal clear and high quality voice for both talking party, noise cancellation, high-velocity element.