Sennheiser HDB 630 Wireless Bluetooth Headphones with Noise 60 Hours of and BTD 700 Bluetooth Audio Support High-Performance Drivers, Cancellation,

Sennheiser's proprietary transducers and sophisticated acoustic design deliver neutral, audiophile-quality sound with natural midrange, stunning detail and powerful bass. High-precision damping, optimized rear volume, and acoustic mesh work together to produce a more open, natural sound field, bringing out clear vocals and subtle details. Minimal digital processing ensures a pristine, high-resolution listening experience that is faithful to the original recording. Supports 24-bit/96kHz high-resolution audio via the BTD 700 Bluetooth transmitter, expanding compatibility with high-resolution smartphones from 16% to over 80%. Lossless playback is also possible via a wired connection. Parametric EQ provides pro-level control for precise tuning of sound for any genre, while crossfeed functionality improves listening to hard-panned albums. Adaptive ANC reduces ambient noise without sacrificing clarity, dynamics, or balance. Enjoy up to 60 hours of continuous playback on a single charge. A 10-minute quick charge gives you 7 hours of playback. Based on the proven MOMENTUM 4 design ID, the headphones feature high-quality materials and an ergonomic design for comfortable, durable listening even over extended periods of time.