Block Out the World, Immerse Yourself in the MusicLife Q20 active noise canceling headphones pull out all the stops to ensure the music you love listening to always sound its best. Certified Hi-Res Audio with extended treble, enhanced clarity, and fine detailing are further optimized by our exclusive BassUp technology. And to stop ambient sounds from disrupting your listening experience, simply activate hybrid active noise cancellation mode to instantly immerse yourself in the song.Key FeaturesCertified Hi-Res Audio: Oversized 40 mm dynamic drivers produce certified Hi-Res Audio with treble extended to 40 kHz for exceptional clarity and details.Hybrid Active Noise canceling: Four microphones and a digital active noise cancellation algorithm detect and filter out up to 90% of low- and mid-frequency sounds.BassUp Technology: Our exclusive technology conducts real-time analysis of your audio?s bass frequencies to instantly strengthen it by up to 100%.All-Day Comfort: Memory foam earcups gently mold around your ears and the headband?s rotating joints adjust the angle of the earcups to fit the shape of your head.40-Hour Playtime: Life Q20 active noise canceling headphones power multiple long haul flights from a single charge with up to 40 hours of playtime in wireless ANC mode. Increase to 60 hours in standard wireless listening mode.AUX Cable: Use the included AUX cable for unlimited listening in wired mode.Built-In Microphone: Make convenient, hands-free calls.Note: According to regulations, the maximum volume of headphones should not exceed 100dB. In order to protect your hearing, Life Q20?s maximum volume has been set to around 95dB. It is recommended that you do not listen to excessively loud volumes for long periods of time.For optimal noise cancellation, make sure the earcups create a tight seal around your ears.Playtime varies according to volume and audio content.Key SpecificationsImpedance 16?Driver (Full Range) 2 × 40 mmFrequency Response 16 Hz - 40 kHzRange 15 m / 49.21 ftWhat?s In The BoxSoundcore Life Q20 Active Noise Canceling HeadphonesMicro-USB Cable<3.5 mm AUX CableTravel PouchUser ManualFriendly Customer Service18-Month Warranty