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Sennheiser CX 350BT In-Ear Wireless Headphones - Black765/8675

Rating 3 out of 5
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Sennheiser CX 350BT In-Ear Wireless Headphones - Black
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  • £89.99

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About this product

With a 10-hour battery life, four interchangeable ear tip sizes and advanced features like voice assistant access, Sennheiser's CX 350BT delivers wireless listening pleasure without compromise. With support for the latest wireless technologies including Bluetooth 5.0, AAC and AptX Low Latency, the CX 350BT provides an outstanding listening experience. The Sennheiser Smart Control app facilitates sound customization via its equalizer as well as firmware updates and a podcast mode for optimized speech.

Superior audio with AAC, SBC codec and additional AptX Low Latency support.

Music, calls and voice assistant interaction via four-button remote.

Sennheiser's Smart Control app allows for customization of sound via equalizer and a podcast mode for optimized speech, as well as battery status, user manuals and firmware updates.

Headphone Features

  • Silicone ear pieces.
  • Connection: wireless.
  • Bluetooth enabled for a wireless connection to your devices .
  • 9.7mm driver.
  • In-line with microphone for calls and track control controls.
  • Passive noise cancellation.
  • 10m range.
  • Bass control.
  • Compatible with universal smartphones.
  • Batteries required 1 x LiPo battery .
  • Rechargeable battery.
  • 10 hour battery life.
  • 90 minute charging time.
  • Fast charge to boost battery life.
  • In the box: CX 350BT earphones, Ear adapter set (XS, S, M, L), USB-C charging cable.

General Information

  • Model number: CX 350BT.
  • Manufacturer's 2 year guarantee.
  • EAN: 4044155249644.

The small print

*Prices correct as displayed but are subject to change.


The customer and brand answers you’ll see above are submitted independently. As we don’t review these answers, we can’t take responsibility for anything they may say. The responses from Argos colleagues are accurate at the time of publishing. For the latest info, you should check the product page.


This product comes with a minimum one year manufacturer’s guarantee, unless otherwise stated in the specification above.