Sennheiser headphone bundle MOMENTUM 4 Wireless Headphones, White BTD 700 Dongle

M4: Maximum audio resolution with Sennheiser Signature Sound Enjoy premium music quality all-day long thanks to the headphone's audiophile-inspired 42mm transducer system and aptX Adaptive. Note Recommendation is that the user downloads the Sennheiser Smart Control app, this ensures that the product is up to date with updates

M4: Personalized sound via the Sennheiser Smart Control App Adjust the sound to your individual listening preferences via the integrated equalizer, presets and sound modes - for a unique sound experience

M4: Stay immersed in your music. Thanks to the headphone's Adaptive Noise Cancellation, you stay distraction-free - and with the Adjustable Transparency Mode you stay in touch with the world around you

M4: Exceptional comfort and long battery life Lightweight, foldable design with padded headband and deeply cushioned ear pads for long-lasting comfort - up to 60 hours of playback time with fast charging

BTD 700: Ultra-low latency. The Bluetooth transmitter's PC gaming mode reduces the lag to just 30 milliseconds for seamless audio-video synchronization, making it ideal for PC gaming and video streaming

BTD 700: Plug and play. Simple setup without drivers by simply plugging in the Bluetooth dongle, pairing the headphones and enjoying uninterrupted sound

BTD 700: Auracast multistreaming. The Bluetooth dongle enables simultaneous streaming to multiple Bluetooth headphones or speakers, allowing several devices to listen at the same time at home or on the go

BTD 700: Wide compatibility. BTD 700 USB Bluetooth receiver works with USB-C & USB-A, and supports leading brands, enables smooth phone & video calls while retaining full headphone control for media and calls