Active Noise Cancellation Next generation ANC With you wherever you go for sound, silence, comfort, and serenity. With next-generation hybrid Active Noise Cancellation, you can immerse yourself in Bang & Olufsen Signature Sound and shut out the noisy world around you. Beoplay E4 puts powerful ANC in your pocket and within easy reach so you can tune out background noise, talk on the phone or simply experience the power of silence where and when you need to. Tune Into your Surroundings Immerse yourself in your music or let the world in. With one quick gesture, Transparency Mode turns the music off and lets you tune into your surroundings. Using the same gesture will turn on ANC and start the music where you left off. Sleek And Robust Gem-like, light and durable. Crafted from lightweight metal for an elegant design that's durable and scratch-resistant. The remote-control and ANC control unit come with a sleek aluminum and rubber finish for greater tactility and durability. Unparalleled Comfort Secure, comfortable fit with noise isolating materials. Beoplay E4 comes with a choice of ear tips including Comply memory foam ear tips that enhance the noise canceling capabilities with a secure, comfortable fit and noise isolating

And for those who prefer silicone tips,Beoplay E4comes in four different sizes. Play All Day 20 hours of Active Noise Cancellation playtime. The rechargeable battery inside the ANC control unit gives you up to 20 hours of continuous playtime with Active Noise Cancellation turned on. If you run out of battery it doesn't mean the music stops you will still be able to enjoy what you're listening to, just mixed with your surroundings. What's in the box Beoplay E4 Earphones with T-200 ComplyTM Ear Tips (M) Silicone Ear Tips XS, S, M & L Flight Adaptor Carrying Pouch Quick Start Guide USB to Micro USB Cable for Charging