Universal Hands-Free Headset - White/Gray (3.5mm) Enjoy handsfree communication with this lightweight and dependable headset. It has a universal 3.5mm stereo plug so you can just plug it into your device and go! It has a sleek look and feel, and you won't regret ever getting this amazing headset. Universal Hands-Free Headset - White/Gray (3.5mm) features Frequency Range: 20Hz~20kHz Sound Pressure Level: 107dB±3dB/100mW Total Harmonic Distortion: <=5,(Input Power: 10mW; Frequency Range: 20Hz~20kHz) The handsfree use soft and environmental protection wire instead of the common wire Crystal clear and high quality voice for both talking party Noise cancellation, high-velocity element. Color/Style: White/Gray Universal Hands-Free Headset - White/Gray (3.5mm)