Black Ear Loop Earloop Stereo Handsfree Headset Mic Microphone for Nokia N75, 6085/6086, 6275i, N93, 6126/6131 / 6133, 6103 / 6102i, 5140 / 5140i Frequency Range: 20Hz~20kHz Sound Pressure Level: 107dB3dB/100mW Total Harmonic Distortion: &lt;=5,(Input Power: 10mW; Frequency Range: 20Hz~20kHz) The new packing is compact size and nice looking & the silver-plated insert paper gives prominence The handsfree use soft and environmental protection wire instead of the common wire