Noise Cancelling and Fast Charging With advanced Active Noise Cancellation tech, which reduces up to 95% of ambient noise. Whether it's the noise from a subway,the engine sound of a car or airplane, the H08 headphones minimize distractions, allowing you to fully enjoy your music.The fast charging tech lets you enjoy 10 hours of music with just a 5-minute charge. Less time spent charging means more time for music. With a full charge, you can use the headphones for a whole week without recharging. 100Hrs Playtime and Puchy Bass:Up to 100Hrs playtime on a single charge,H08 headphones is perfect for long trips and daily commutes. Whether you're catching up on favorite podcast during a trip or immersing yourself in music for hours at the office, this earphones keep the beat going.