Specification Dimension: 74 x 34 x 15.5 mm (LxWxH)
Output: (1) 3.5 mm headphone jack 2) 3.5 mm mono microphone jack 3) 4-pin combo Mic/headphone jack (Only support
CTIA) SNR: 85dB
Sampling Rate: 16bit 48KHz
Time Delay: 40 - 50mS
Frequency response: 20Hz - 20KHz With function of disabling headphone Mic and volume control No driver required for Windows/Mac OS/Linux Important Note Ensure usb audio adapter is set to be your primary playback and recording device in your control panel or system preferences. The 4-pin combo Mic/headphone jack only support TRRS CTIA standard, does not support TRRS OMTP standard The input of microphone jack and combo Mic/headphone jack only support mono Please make sure your phone supports OTG function when using it on the phones