Professional ferrous metal mini Lavalier Mic, suitable for mobile phones, computers, such as: IPHONE, Android phones and other devices. 2. Wire: PVC wire Φ 2.0 * 1.5 m 3. Interface: standard equipped with gold-plated 3.5mm straight plugs 4. Microphone: -30dB ± 2dB, professional microphone for the mobile phone