Features1. Active sound collection technology for high sound quality 2. Made of high quality material, shockproof and durable 3. 3.5mm interface, no need to drive, strong compatibility 4. Play and plug 5. Can be rotated 90 degrees to meet different needs Specification1. Microphone core type: electret condenser microphone 2. Frequency range: 50-16000HZ 3. High-quality sensitivity: -40dB+/-3dB (0dB=1Pa) 4. Directivity: single directional 5. Signal-to-noise ratio: greater than 60DBSPL 6. Impedance: less than 2.2K Ohm 7. Material: aluminum alloy 8. Process: CNCPackage listP1 mobile phone microphone x 1 Rabbit fur windshield x 1 Sponge windshield x 1NoteSet reminder: Not applicable to sports cameras. Specification: General Certificate GPSR Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 8cm * 2cm * 2cm / 3.15inch * 0.79inch * 0.79inch Qty per Carton 400 Carton Weight 9.50kgs / 20.94lb Carton Size 28cm * 22cm * 22cm / 11.02inch * 8.66inch * 8.66inch Loading Container 20GP: 1967 cartons * 400 pcs = 786800 pcs40HQ: 4567 cartons * 400 pcs = 1826800 pcs