Nest Audio Smart...

Dual noise sensor technology, featuring two microphones on each earcup, captures ambient noise and passes the data to the HD Noise Cancelling Processor QN1. Using a new algorithm, the HD Noise Cancelling Processor QN1 then applies noise-cancelling processing in real time to a range of acoustic environments.To maximise noise-cancelling performance, the WH-1000XM4 headphones incorporate two technologies: Personal Noise-Cancelling Optimiser, designed specifically for you, and Atmospheric-Pressure Optimising, designed specifically for air travel.Adjust ambient sound with the Sony | Headphones Connect app to cancel noise while still allowing essential sounds, like transport announcements, through when you're listening on the move.A built-in analogue amplifier integrated in the HD Noise Cancelling Processor QN1 realises an unmatched signal-to-noise ratio for low distortion and exceptional sound quality for portable devices.Powerful 40-mm drivers with Liquid Crystal Polymer (LCP) diaphragms make the headphones perfect for handling heavy beats and can reproduce a full range of frequencies up to 40 kHz.

Frequency Response Range: 20-20000 HzActive Noise-Cancellation: YesBuilt-in Microphone: YesBattery Capacity: 55 mAh

Has engineered the precise, impressive sound found in big venues around the worldHeadphones reproduce that same sound, punching out bass that?s both deep and powerfulStream your favourite tunes in super high quality thanks to Bluetooth 5.0Built-in battery provides 16 hours of playing time, that can be quickly recharged in 2 hours with the type C cable15-minute recharge gets you 1 hour of playback

These are true wireless earbuds, with pro-grade technology for immersive sound like never before. While Intelligent ANC lets you seamlessly switch between noise canceling and fully adjustable ambient sound. So let the outside in - or keep it out. It's your world. Galaxy Buds Pro let you hear the best of itActive Noise Canceling on Galaxy Buds Pro filters out up to 99% of background noise. Microphones on the inside and outside monitor noise in real time. Choose the ANC level to dial the world up or down with an intelligent algorithm that cancels out the noiseVoice Detect instantly switches from ANC to Ambient sound when it hears your voice. Like when you're at a cafe using ANC to block outside noise, tell the barista your order and ANC automatically turns off when you speakFrom the highest treble to the deepest bass, notes come through beautifully, thanks to custom-built 2-way speakers with sound by AKG. Galaxy Buds Pro offer the most immersive sound experience on Galaxy Buds, whether you're listening to a new album or the audiobook for your next road tripTake noise-free calls that blow your mind. The best quality call for true wireless earbuds means you get less noise and a clearer voice on calls at home or out in the worldRich, immersive sound with 2 way speakerCrystal Clear calls with 3 mic set up