Sennheiser CX 350BT In-Ear Bluetooth Headphones

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Colour: Black

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Bang & Olufsen | Hifilife Akasya: 0538 013 02 59

Bang & Olufsen | Hifilife Canyon: 0531 080 80 45

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Bang & Olufsen Bodrum: 0539 920 76 69

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Time to get rid of the wires with the new Sennheiser CX 350BT!

Your most important travel companion in your daily life

Time to get rid of the cables! Sennheiser signature sound quality ; With features such as long battery life and personal voice assistant support , the new CX 350BT wireless headphones will be your most important companion in your daily life.

Thanks to AptX Low Latency and AAC codecs, the CX 350BT provides you with high-quality sound wirelessly. With AptX™ Low Latency , audio and video synchronization will always be perfect. The CX 350BT supports Bluetooth 5.0 and offers the fastest and most stable connection possible. Not only that, the CX 350BT lets you connect to two devices at the same time.

Easy access to personal assistants and Smart Control application support

You can instantly access your personal assistant and interact with Siri and Google Assistant using the dedicated button for personal assistants on the four-button control. The control also allows you to control your calls and music. You can personalize the sound from the equalizer section using the Smart Control app. Additionally, the app shows you the battery status, includes a user guide, provides firmware updates, and offers a podcast mode for optimized conversations.

Lightweight and compact design combined with USB Type-C Fast Charge Support

No matter how busy your life is, the CX 350BT keeps up with you and is always by your side with a battery life of up to 10 hour. USB Type C thanks to fast charging feature presents. Stylish and flamboyant neckband headphones , at the same time Provides comfort and stability . You can choose the most suitable comfort for yourself with four different silicone earbuds, and you can cut off external sounds with passive noise isolation. You will be detached from external sounds. With its light and compact design, you can easily take it anywhere you want.


  • Advanced Bluetooth 5.0 technology for seamless connectivity
  • 10 hour battery life
  • Four different interchangeable ear pads for optimal comfort and sound isolation
  • Four-button control system with access to music, call control and personal assistant
  • Ability to connect to two devices simultaneously
  • 2 years warranty
  • Great sound quality with AAC, SBC and AptX™ & AptX™ Low Latency codec support
  • Sennheiser's Smart Control app offers you: Sound customization with Equalizer, podcast mode to optimize vocal sounds, battery status indicator, firmware update and user manual.




    Ear Clutch Type:Inner ear

    Wearing style (cable):bluetooth neck cable

    Weight : 13 grams

    Frequency range:20 Hz - 20,000 Hz (-10 dB)

    Driver type:Dynamic

    Driver size : 9.7mm

    Sensitivity (SPL):110 dB (1 kHz/0 dBFS)

    Total harmonic distortion:< 0.5 %

    Microphone type:MEMS

    Microphone frequency range:100Hz – 8,000Hz

    Microphone sensitivity (per ITU-T P.79):42dBV/Pa

    Microphone sound pickup type (speech sound):all-round

    Power source:Built-in rechargeable lithium polymer battery,

    3.7V⎓, 100mAh;

    USB charging: 5 V ⎓, 100 mA maximum.

    Battery usage time:10 hours of use, 340 hours of standby

    Battery charging time:1.5 hours

    Operating temperature ranges:usage: 0 - 40°C

    while charging: 10ºC - 40ºC

    when off: -20 to 70°C

    Moisture resistance : in operation: 10 - 80%,

    when off: 10 - 90%

    Magnetic field strength:1.2 mT

    Bluetooth Version:Bluetooth 5.0, class 1, BLE

    Transmission frequency:2,402 MHz to 2,480 MHz

    Modulation:GFSK, π/4 DQPSK, 8DPSK

    Profiles : HSP, HFP, AVRCP, A2DP

    Output power:20mW (maximum)

    Codec:SBC, AAC, AptX™, AptX™ Low Latency

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