With unique features including deep-UV sterilization, 360 Reality Audio for a realistic 3D sound stage, and Snapdragon Sound™ platform for higher quality music, video, and calls, the ATH-TWX9 set themselves above the rest as the best truly wireless headphones

• Truly wireless in-ear headphones with digital hybrid noise-cancelling technology
  
  
• Ambience control (noise-cancelling and hear-through) can be employed for music playback and calls
  
  
• Use the touch sensor to choose from five preset noise-cancelling modes or optimized noise cancelling that adapts to your current environment
  
  
• Hear-through function allows you to hear ambient sounds (plus your own, unmuffled voice) so you can talk to others around you without removing your earbuds
  
  
• Newly designed 5.8 mm high-resolution drivers deliver an extended high-frequency range and improved sound detail
  
  
• Compatible with Qualcomm^® Snapdragon Sound™, Qualcomm® aptX™ Adaptive audio, and Sony’s 360 Reality Audio to deliver an advanced listening experience
  
  
• Eartips feature a hybrid structure of hard and soft silicone for best fit and sound performance, and come in three different lengths for each size (XS/S/M/L)
  
  
• Dual high-performance MEMS (micro-electromechanical system) mics, beamforming technology, and Qualcomm® cVc™ Generation 8.0 technology ensure crystal-clear call quality
  
  
• Sidetone circuitry improves conversations by letting you hear your voice in the headphones when making calls on most smartphones
  
  
• Qualcomm^® TrueWireless Mirroring enables independent transmission to the left and right earbuds, reducing sound interruptions and delays for videos
  
  
• Multipoint pairing function allows you to stay connected to two Bluetooth devices at once
  
  
• Approximately 6 hours of continuous playback with up to 18.5 hours of extended use
  
  
• Charging case’s deep-UV LED sterilization system (with unique mirror processing) eliminates bacteria and viruses from the surface of the headphones**
  
  
• A-T Connect app gives you additional control: activate low latency mode, personalize noise-cancelling system, adjust and save EQ to the headphones, change L/R volume balance, select desired voice assistant (such as Amazon Alexa Built-in or Google Assistant), change codecs, and more
  
  
• Rain and water splashproof design (IPX4*-equivalent)
  
  
• Flexible dual- or single-ear usability
  
  
• Includes 30 cm (1.0') USB-A/USB-C charging cable