Knowles Acoustics WP-25993-D63 Current: 300?µA Depth: 1.1 mm Dimensions: 4.72 mm L x 3.76 mm W x 1.1 mm D Direction: Noise Cancelling Filter Type: - Frequency: 100Hz ~ 4kHz Impedance: 2K Ohm Lead Free Status / Rohs Status: Lead free / RoHS Compliant Length: 4.72 mm Port Location: Bottom and Top S/n Ratio: - Sensitivity: -55dB ?±4dB Series: WP Size / Dimension: Rectangular - 5.56mm L x 3.99mm W x 2.21mm H Termination: Wire Leads Type: Boom Microphone Voltage - Rated: 1.3V Width: 3.76 mm Product Category: Microphones RoHS: yes