Sennheiser CX 400BT True Wireless Earbuds, Black Item number: 2004673
Delivery time: 4 to 6 working days
Deliverable: Switzerland and Liechtenstein
CHF 229
52,000 Miles
Sennheiser CX 400BT True Wireless Earbuds, Black
Incl. VAT but excl. delivery costs.
Your price: CHF 229
+ Miles

Sennheiser CX 400BT True Wireless Earbuds, Black

Regardless of what your day looks like or where you are - let unique Sennheiser sound accompany you. And it's tailored, because with the new CX 400BT True Wireless earbuds, you have complete control of your sound experience. In addition to the intuitive, adjustable control for true sound-lovers, the innovation of the audio expert Sennheiser impresses with maximum comfort and long battery life.


  • Size: one size fits all
  • Weight: 2x 6g (earbuds) / 37g (charging case)
  • Colour: black


  • First class, unique Sennheiser sounds
  • Adjustable touch operation for music, calls and speech assistants
  • Dynamic 7-mm driver
  • Very comfortable to wear
  • Intuitive operation
  • Smart Control App for iOS/Android™
  • Support SBC, AAC and aptX® Codecs
  • Integrated audio equalizer with user-defined pre-settings
  • Frequency range: 5HzÔÇô21kHz
  • Bluetooth® Audio-Codec support (SBC, AAC and aptX®)
  • Bluetooth® version: 5.1
  • Lithium-ion battery (400mAh (charging case), playback duration up to 6.5 hrs. plus 13 hrs. per charging case, charging time up to 90 mins.)

Included in delivery

  • Sennheiser, Black CX 400BT True Wireless Earbuds
  • Charging case
  • Charging cable (USB Type-C)
  • Silicone ear adapters in sizes XS/S/M/L

Note: you may need to pay a subscription to be able to stream titles via a music service.

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