Okade Laptop Backpack Up to 15.6″ Laptops S2252 Protective Case Water Resistant Exterior – Black

Product name:Lenovo Monaural Voice Headset E06-3.5mmSpeaker size: $ 40 * 7.8H mmImpedance: 320‡15%Output sound pressure: 100÷3dBFrequency Response Range: 20Hz~20K HzRated Input Power: 20mWMaximum Input Power: 30mWLeft/Right Sensitivity Difference: 3dbMicrophone specifications: 6050Mark wind sensitivity: -42 ‡ 3dB (0dB = 1V / Pa, 1KHz)Microphone pointing: single pointingSize: 190*170*80mmExecution standard:GB 4943.1-2022, GB/T 9254-