soundcore by Anker Q30 Hybrid Active Noise Cancelling Headphones with Multiple Modes, Hi-Res Sound, Custom EQ via App, 50H Playtime, Comfortable Fit, Bluetooth Headphones, Multipoint ConnectionAdvanced Noise Cancellation Technology: Maintain your focus with Q30s hybrid active noise cancellation. Dual noise detecting microphones pick up and filter out up to 95% of low frequency ambient sound to ensure nothing distracts you from your music. Ultimate Noise Cancellation Experience: Customize Q30s noise cancellation with 3 modesTransport minimizes airplane engine noise, Outdoor reduces traffic and wind, and Indoor dampens the sound of busy