The WH700NB are wireless headphones equipped with Active Noise Cancellation (ANC), which means they have active noise reduction functionality. Thanks to this feature, external noises are effectively suppressed, allowing you to enjoy music or have clear conversations without interruptions. The built-in Bluetooth 5.3 module ensures stable and fast connectivity with two devices simultaneously, allowing seamless switching between them. The 40mm dynamic speakers provide fantastic sound quality for up to 68 hours without ANC or 45 hours with ANC enabled. Just 10 minutes of charging gives you an additional 8 hours of playback! Equipped with a microphone with Deep Neural Network (DNN) technology, your voice remains clear even in noisy environments. With a gaming mode, the headphone delay is only 0.08 seconds, ensuring perfect synchronization of audio and video. Additionally, the ambient mode allows you to listen to music while staying aware of your surroundings, for instance, when waiting at a train station or airport. Sounds good, right? The Edifier Connect app further enhances your capabilities!