Tie/collar clip microphone is the ideal mini omni-directional condenser microphone for use in such hands-free recording situations as lectures and interviews. It is highly sensitive and reliable even under adverse shock conditions. Clip attaches to ties, collars and other clothing. Cord can be hidden under clothing and attached to Philips Digital Pocket Memo and Voice Tracer or other compatible recorder for discrete recording. Small wind screen filters out unwanted surrounding sounds. Sensitivity: 066 dB +/- 3 dB @ 1 kHz. Frequency response: 50 Hz - 20 kHz. Tie/collar clip microphone has a 4' cable.