• Seamless firmware and app updates: Utilize the latest firmware and Smart Control Plus app features with Bluetooth over-ear headphones for a smoother and more reliable experience As a noise-canceling headphone, it features an ANC switch function and a touchpad off switch, delivering premium music quality • Unmatched Sound: Sennheiser's 42mm transducers, developed with Sennheiser's audio technology, richly depict and faithfully reproduce everything from deep bass to the finest details of high tones With a Bluetooth chip and another chip that handles DAC and ANC roles, it enhances overall performance efficiency and significantly improves sound quality Adjust the angle of the baffle for a more direct sound, creating a more natural sound stage Compatible with aptX Adaptive • Personalizable listening experience: Customize your sound with the Smart Control Plus app via over-ear wireless headphones (Sennheiser headphones) With the built-in equalizer, presets, and sound modes, you can create your own custom audio for music, podcasts, games, and more • Adaptive Noise Canceling and Transparent Mode (Ambient Sound Pickup): Seamlessly enjoy music while blocking out ambient noise or being aware of your surroundings Ideal for commuting, students, and professionals • EXCEPTIONAL COMFORT Adopts a cushioned headband and ear pads, providing up to 60 hours of long and comfortable playback with fast charging