Enhanced Active Noise Cancellation: Experience advanced multi-mode active noise cancellation designed for both outdoor and indoor environments, including commuting, library, airplane, and subway use. Our ANC technology expertly isolates unwanted noise, creating a serene background for your music. Superb Sound Quality: Equipped with 40mm dynamic drivers coated in Titanium, the WH700NB headphones deliver deep, impactful bass and crystal-clear high frequencies. Immerse yourself in a captivating listening journey. Crystal-Clear Call Clarity: Powered by advanced Al algorithms and a single microphone with DNN noise cancellation, the headphones picks up human voice clearly even under noisy conditions. Effortlessly engage in hands-free calls or tele-conferences with impeccable clarity. Up to 68 Hours Playback Time: Enjoy an impressive playback time of up to 68 hours with ANC off. A 10-minute charge gives you 8 hours of uninterrupted use, ensuring your music keeps pace with your lifestyle. Fully Foldable For a Comfortable Use: Designed for your comfort, the W700NB headphones boast skin-friendly ear cushions and a soft-toned headband. The foldable and compact design enhances portability, making them your ideal on-the-go companions. Seamless Dual Device Connectivity: The headphone can connect two source devices at the same time. Seamlessly transition between music, online meetings, videos, and calls across two different devices.