Wireless on-ear headphones with true adaptive noise cancelling. Closed design, suitable for lifestyle use. Active noise cancellation: Yes. Frequency response: 20 - 20,000 Hz, impedance: 32 Ω. Headphone features: Call management, app, noise cancellation, charging case, microphone, voice control, touch control on the ear cup. Connectivity options: Bluetooth, wired. Maximum battery life: 65 hours. JBL Signature Sound and surround sound. In addition to the powerful JBL Signature Sound, the 40mm membranes deliver impressive JBL Spatial Sound, transforming all stereo content from any device into virtual surround sound. Bluetooth 5.3 with LE audio support. The latest Bluetooth technology enables high-quality wireless audio streaming with low bit rates. The audio mode provides the best available sound, while the video mode ensures that audio and visuals are always in sync during movies and games. Available later via OTA update. True adaptive noise cancelling with Smart Ambient. Thanks to four noise-detecting microphones, true adaptive noise cancelling ensures you are not distracted, whether you are focusing on studying or simply getting lost in the groove. And if you want to hear the world around you without removing the headphones, Smart Ambient amplifies surrounding sounds.