Product Name: Earphone type microphone for sound pickup; Product Number: EMV-360; JAN Code: 4521171 119408; Reference Price: Open; Size: Cord Length: Approx. 29.5 inches (75 cm); Weight: Approx. 0.2 oz (6 g); Specifications: Type: Electret Condenser Microphone x Directivity: Omnidirectional x Frequency Characteristical: 50 - 20 Hz - 20 Hz - 200000000000000 Hz * Sensitivity: -3 Hz * Sensitivity: -8 Hz ±2dB (0 dB=1V/ubar; Output Impedance: 2.2 kΩ; Power Supply: Plug-in Power System; Plug: φ0.1 inch (3.5 mm) mini plug (mono); *Connects to a microphone terminal such as voice recorders, and can be used when recording phone calls.