The Sennheiser CX True Wireless in-ear headphones impress with their outstanding, crystal-clear sound and are incredibly easy to use. The dynamic 7 mm transducers were produced in Germany and deliver the characteristic Sennheiser sound quality. With a playback time of 9 hours (and a further battery runtime of 18 hours via the charging case), you can enjoy the excellent audio experience delivered by the CX True Wireless all day long -thanks to the passive noise cancellation in any environment.


  • Size: one size fits all with silicone ear adapter sets
  • Weight per in-ear headphone: 6 g
  • Weight of charging case: 37 g
  • Colour: white


  • Dynamic 7 mm transducers
  • Crystal-clear sound
  • Intuitive touch operation
  • Bass Boost can be activated
  • Passive noise cancellation
  • Smart Control app
  • Ergonomic design and secure fit
  • IPX4 splash protection*
  • Bluetooth® version: 5.2
  • Lithium polymer battery (runtime up to 9 hrs. -with charging case a further 18 hrs., charging time up to 1.5 hrs.)

Included in delivery

  • Sennheiser CX TW in-ear headphones
  • Charging case
  • USB-C charging cable
  • Silicone ear adapter sets (XS/S/M/L)

*Protected against splashes from any direction in accordance with the IPX4 standard.