Ultimate Noise Cancellation Experience: The active noise cancellation algorithm on Mpow Bluetooth headphones effectively cancel out up to 90% of low-frequency noises. Simply press the ANC button on the earcups, easy to escape the sounds of the city, and lose yourself in music. USB-C Charging & 40-Hour Playtime: Mpow wireless headphones provide up to 40 hours of music with the ANC off. Listen for 1 hour a day with ANC on is enough for an entire month. If you're in a hurry, Mpow over-ear headphones can be charged via the convenient Type-C port for 2.6 more hours of music within 10 minutes! Hi-Fi Audio Sound & Thumping Bass: Equipped with the customized graphene drivers, Mpow cordless headphones are powerful to handle heavy beats and reproduce a full range of frequencies up to 20kHz. You will feel like listening to a live concert with extraordinary clarity on your cellphone, tablet, laptop, computer, etc. Much Higher-quality Built-in Microphone: With noise suppression microphone and CVC 8.0 technology, 100% of your voice is transmitted with high-clarity and 80% of ambient noises are suppressed. You can get more freedom from the fast and ultra-stable connection on Mpow Bluetooth 5.0 headset. Comfy & Foldable Design: Mpow overhead headphones have protein leather ear cups with memory foam padding to fit snugly over your ears for long-time wearing comfort. The headband can be adjusted to fit different head sizes, while the foldable design is easy to store and carry. Perfect for home office, online course, travel, etc.