soundcore by Anker Q20i Hybrid Active Noise Cancelling Headphones, Wireless Over-Ear Bluetooth, 40H Long ANC Playtime, Hi-Res Audio, Big Bass,...

soundcore by Anker Q20i Hybrid Active Noise Cancelling Headphones, Wireless Over-Ear Bluetooth, 40H Long ANC Playtime, Hi-Res Audio, Big Bass, Customize via an App, Transparency Mode - Blue Part Number: A3004 Type: Headphone Driver Unit: 44mm Frequency Response: 50-10khz THD: =120db Input Impedance: 16 ohms Signal to Noise Ratio(SNR): 71db Sensitivity: 115 dB/mW