With ACCENTUM, you can unlock new audio adventures all day long thanks to unrivaled 50-hour battery playtime, bringing your music to life with the unique Sennheiser sound. The perfect, on-the-go headphone, ACCENTUM provides you with high-quality wireless audio with exceptional features like Hybrid ANC to thrill you for days.

ACCENTUM key features:

• Unrivalled 50-hour battery playtime – Enjoy exceptional battery life that lasts up to 50 hours on a single charge
• Sennheiser Sound – Discover high-quality Sennheiser audio, thanks to our own engineered and manufactured in-house transducer system
• Blocks out all distractions with ANC – Stay focused and immerse yourself in your music with effective hybrid noise-cancelling headphones
• Hear external sounds with a touch – Transparency Mode enables you to stay aware of your surroundings without removing your headphones
• All-day comfort – Crafted to deliver incredible comfort, the headphones feature a lightweight and ergonomic design, making them ideal for long music sessions

BTD 600 dongle key features:

•  Plug it in, pair it, and forget it – Easy-to-use USB dongle makes it super 
  simple to connect Bluetooth® headphones to your PC or Mac.
• Get the best experience your wireless Bluetooth®-enabled headphones can offer – 
  Enjoy the best possible sound with support for the latest aptX audio 
  codecs including aptX Adaptive.
• Great for entertainment and communications – Lower latency helps keep 
  audio and video in sync for a seamless experience.
• Use your headphone controls – Use the controls on your headphones for 
  media and calls.
• Swap between multiple PCs or Macs – The BTD 600 stays paired so you can 
  simply plug it into another device and continue using your headphones.
• USB-A or USB-C – A convenient USB-C adapter attaches to the USB-A dongle so you can connect to either type of port.