Active Noise Cancelling: upto 20dB, Mic: Built-in Microphones, Connectivity: Bluetooth 5.2, Certification: IP55 Sweatproof/Splashproof, AI: Siri/Google, ComfortSeal Tips: 3 Sizes, Charging: Charging Case with Rapid Charging via USB-C, Drivers: 10mm BlueAnt Signature Drivers. The Pump Air ANC delivers up to 20dB of noise cancellation. This keeps you in a bubble of only what you want to hear, so your music and calls are uninterrupted.