Anker Soundcore Q20i Wireless Hybrid Active Noise Cancelling Headphones 40H Long ANC Playtime Hi-Res Audio Big Bass Transparency Mode: Product DescriptionPrevious pageReduce Noise By Up to 90%Internal and external mics work in tandem to detect and reduce up to 90% of ambient noise.Next pageActive Noise Cancellation Ambient Sound Modes Dual ConnectionsPrevious pageHear Rich DetailHear rich detail with Hi-Res audio.