audio technica / AT9905

This earphone-type microphone can record both your voice and the voice of the other person while you are talking.

A high-quality mono microphone for telephone recording that is compatible with digital recording devices.
Simply connect the recording device, place the microphone over your ear, and pick up the receiver.
The high-sensitivity microphone clearly captures both your own voice and the other person's.
The plug-in power system*1 requires no batteries and connects directly to the microphone input jack.
Four earpiece sizes are included so you can choose the size that's best for you.
The 3-pole plug allows for use with computers*2.

*1 With the plug-in power system, the microphone operates by drawing power from the microphone input jack of the connected device. *2 Not compatible with some computers.

Type: Back electret condenser
Polar pattern: Omnidirectional
Frequency response: 20-20,000 Hz
Sensitivity: -32.5 dB (0 dB = 1 V/1 Pa, 1 kHz)
Impedance: 2 kΩ
Power supply: Plug-in power
Dimensions: φ11.5 x 13 mm (outer diameter x total length)
Weight (excluding cord): Approximately 1 g
Plug: φ3.5 mm gold-plated 3-pole mini (L-type)
Cord: 1.5 m