Bluetooth Active Noise Cancelling Headphones,MARCHERO 2019 New Version Wireless Over Ear Headphones with Mic/Metal Arm/Hi-Fi Deep Bass, Comfortable Protein Earpads,30H Playtime for Travel Work TV

Active Noise Cancelling: Marchero NC-200 Bluetooth Active Noise Cancelling headphones have the hight effect of noise cancelling , Active noise cancellation is to use an extra microphone which emits high pitch frequency to counter the low frequency external sound. So it can only reduce low-frequency noises like airplane cabin noise, city traffic or a busy office. You can just focus on your music, your movies, your calls or simply peace at the noisy place. But it can not eliminate medium-frequency noises like human voice in the street or in the supermarket or High-frequency noises like the sound from industry machines, construction sites, etc. Endless Music Enjoyment Exquisite 3.5mm audio wire, which is able to be connected when the battery dead or the audio devices have no Bluetooth function. No Pause for Music! Hands-Free call & Built-in Mic Built-in CVC 6.0 noise-cancelling microphone for clearer call quality, even in a loud environment. Seamless switching between two connected Bluetooth devices, so you'll never miss a call or that movie you're watching. Super Fast Charging 5 mins charging, 1-2 hours playback! Up to 30 hours playtime on 2 hour full charge What's In The Box: 1*Marchero NC-200 wireless active noise cancelling headphones 1*3.5mm audio cable 1*micro-USB charging cable 1*user manual