ITEM NAME:3.5mm miniphone minifono Mic Speech Tie Clip Insegnare Lavalier Jack Lectur W6B3 3.5mm miniphone minifono Mic Speech Tie Clip Insegnare Lavalier Jack Lectur W6B3 all-metal structure, small, delicate, special surface treatment process, soft and durable texture. Compact metal collar clip, solid, easy to use not to hurt the clothing. The cable has a tensile, bending. Noise control is good, giving you the feeling of tranquility. Colourï ¼Å¡Black Core miniphone with the latest technology, greatly improved reception range. Suit for desktop, laptop, MP3, MP4, speaker and other camera recorder. Directionality: omnidirectional Frequency range: 20-20KHz Impedance: 480KÃŽ © Sensitivity: -47dB +/- 3dB Plug Type: Stereo Æ3.5mm Cable length: 2.4M Mic diameter: 6.0 * 5.0 mm Receiving Range: Powerful receiving