UP TO 25 HOURS OF PLAYBACKFOR OPTIMAL COMFORTThe ear cushions have been updated to provide even better space for the ears on the inside, increased padding on the headband makes the H9 comfortable to wear for longer, and the hidden end caps ensure a cleaner design.REFINED ALUMINIUM SURFACEStylish details and an updated oblique edge elegantly emphasize the exclusive materials.SIGNATURE SOUNDEverything that bears the Bang & Olufsen name has been tuned to perfection. We have introduced a new bass port with deeper and more powerful bass and added a dedicated microphone to improve sound quality.ACTIVE NOISE CANCELLATIONEnjoy your music or have a conversation without being disturbed by sounds of the everyday life. The active noise reduction can be turned on and off, so you decide when you want to listen in silence, and when you want to let the city in. A useful feature for those who appreciate being themselves, but at the same time want to feel connected to the outside world.SpecificationsDriver: 40 mmDriver type: Electro-dynamicImpedance: 24Ohm +/- 15%Frequency range: 20 - 22,000 HzSensitivity: 95 dB, 1mW @1kHzBattery: Non-replaceable Lithium-Ion battery - Capacity 1110 mAh - Up to 25 hours with Bluetooth & ANC - Up to 32 hours with only Bluetooth - Up to 33 hours with only ANCCharging time: approximately 2.5 hoursCharger: USB-A to USB-C Charging CableButtons: Slide button (on/off/Bluetooth pairing) on right ear cup, Aluminium touch interface on right ear cup (Volume up/down, Next/previous/play/pause, answer/end call, ANC/Transparency ON/OFF), Push button for voice assistant control on left ear cupProximity Sensors: NoFeatures: Active Noise Cancellation (ANC), Transparency Mode, Dual device connectivity (connect up to 2 devices), Supported by Bang & Olufsen APP (ToneTouch, Software update)Connectivity: Wireless connectivity: Bluetooth 4.2, 10m operating range. Remembers the last 8 paired devices (connects to one)Sound codecs: AAC, cVc, SBC, aptX-LLConnections: Bluetooth, 3.5 mm mini-jackCorded Connectivity: Via audio cable with 3.5 mm mini-jackExtra Details:Designer: Jakob WagnerDimensions (mm): 195 x 200 x 52Weight: 285gMaterials: Aluminium, Leather, Fabric, Rubber, PolymerIn The Box: Beoplay H9, 1.2m audio cord with 3.5 mm jack, 1.25m USB-A to USB-C charging cable, Flight adapter, Carrying pouch, Printed materials (quick start guide, warranty, safety/important)