Made of high-quality materials, practical and reliable Quick installation, easy to use Anti-corrosion, wear-resistant, and non-deformed Small size and light weight Type: Mono Frequency response: 50Hz-20KHz Impedance: 2.2K Microphone size: 9.7X6.7mm 9745 MIC Sensitivity: -32dB 3dB (0dB = 1V / uPa) Installation location: Reading light panel Installation method: Direct installation Fitments: for BMW 1 Series F20, 3 Series F30 F35, 5 Series F10 F18, X3 Tips: The product may be updated constantly. Due to different batches, the actual product may have slight differences or color variations, which do not affect use Color: As shown in photo Material: Plastic Package Contents: 1 x Microphone Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement error allowed is +/- 1-3cm. Only the above package content is included; other products are not included.