Lose Noise and Focus On: Mpow H17 active noise canceling technology effectively reduces distracting low-frequency background noises like airplane cabin noise city traffic or a busy office makes you focus on what you want to hear enjoying the pure audio source at the press of a button. Fast Charging Function for 45H Playtime: 10 minutes of charging give you 2 hours listening time A built-in 650mAh battery won't allow your headphones to power off you can enjoy your world without noise for 45 hours' long time in Full charge. Note: Turn off ANC to avoid power consumption if headphones are not in use. Extremely lightweight with Soft Protein Ear Pads: Mpow H17 new noise-canceling headphones adopt Genuine Protein Earpads for your wearing comfort And the headphones only weigh 7. 2oz(204g) for long-time wear Enjoy an improved and fully customizable fit with swiveling ear cups adjustable & foldable headband and super-soft ear pads. CVC6.0 Mic for Online Class/Home Office: Built-in CVC 6. 0 microphones ensure crisp clear calls Compatible with Android/iOS smartphones and tablets MP3 MP4 iPod PC TV and other Bluetooth enabled devices, making them ideal for when you’re working at home, taking online classes, or traveling. Note: The microphone can only work on Bluetooth mode. Brilliant music experience: In superb silence, you hear full-balanced bass and hi-fi tunes with exceptional clarity delivered by 40mm powerful drivers of Mpow Active Noise Cancelling Headphones attracting your full immersion in songs movies videos Audiobooks, etc.