ADVANCED ACTIVE NOISE CANCELLING FUNCTION:E7 will be eliminate the noise you don't want to hear,Advanced active noise cancelling technology quells airplane cabin noise, city traffic or a busy office, makes you focus on what you want to hear, it can bring your listening experience and bring you peace of mind. BALANCED SOUND & STRONG BASS :Clear vocals,Precise guitars, excellent Deep bass and crisp percussion that they provides immersive Hi-Fi sound that helps you enjoy your music better.We try our best to provide customers with lifelike sound quality,which is always the goal and constant pursuit of our company . SUPER COMFORTABLE PADDING and STRETCHABLE HEADBAND ：Designed with cushioned, pressure-relieving ear pads that you can have headphones over ear on for hours not feeling your head would explore due to the pressure.Super Protein Earpads and stretchable headband make the headphones fits perfectly and securely on your head .You can adjust to the best angle according to your needs,E7A headphones are great for everyday use!

Super 6mm Dual Dynamic Drivers -- Use frequency division technology to pump out bright treble and deep bass respectively. It has ultra high voice resolution, which can better present the sweet or hoarse voice and other details Full bodied audio immersion -- Wider resolution and enhance the medium and high frequency output range. Tuned the ES2 drivers to not only sound great but also deliver long term audio output. Noise isolation and Ergonomic comfort design -- In-ear wearing with great flexibility and smooth solicone can isolate noise better. Perfect fit with 3 sizes of ear-buds that won't fall off. (XS/S/L size for your choice.)