Made of high-quality materials, practical and reliable Quick installation, easy to use Made of high-quality materials, anti-corrosion, wear-resistant, and non-deformed Small size and light weight Type: Mono Frequency response: 50Hz-20KHz Impedance: 2.2KΩ Microphone size: Ø9.7X6.7mm 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 Differences, Which Does Not Affect Use Colour:Photo Color Material:Plastic Package Contents: 1x Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.