Dual Wireless - 2.4GHz USB-C Adapter and Bluetooth Hi-Res Audio Wireless Certified LDAC Codec Supported, Uncompromising Wireless Technology from Sony Immersive AKG Spatial Audio AKG Reference Sound - 40mm LCP Dynamic Driver True Adaptive Noise Cancelling with custom control - Hybrid Noise Cancellation with Up to 6 Microphones for Accurate and Tailored ANC Experiences Zoom Certified Superior Call Quality Customizable Call Experience Smart Talk Ultra-comfortable, Minimalistic and Ingenious Original Design AKG HEADPHONES App Up to 100 Hours of Playback Time Seamless Connectivity with 2.4GHz USB-C Adapter and BT Easily insert the smart USB-C dongle stored in the earcup (USB-A connector is included) to any device for instant seamless connectivity. The multipoint connection allows you to effortlessly switch between phone calls and Zoom meetings on your desktop, while Google Fast Pair and Microsoft Swift Pair ensure a smooth experience when connecting multiple devices. The AKG N9 Hybrid over-ear headphones connect via Bluetooth with any Apple, Android, or Windows device. High-Resolution Reference Sound Quality The 40mm dynamic driver units use Liquid Crystal Polymer (LCP) diaphragms to provide extensive detail and outstanding dynamic sound with ultra-low distortion and fast transient response. The bass is deep and precise, the vocals are clear and accurate, and the treble is vivid and realistic. Additionally, the AKG N9 Hybrid over-ear headphones support Hi-Res Audio through the 3.5mm jack cable and BT wireless. LDAC ensures excellent 24-bit high-quality audio, clearly presenting all details and bringing you closer to studio-quality sound than ever before. Immersive AKG Surround Sound In addition to powerful AKG Reference Sound, the AKG N9 Hybrid over-ear headphones can convert any stereo content from any device into virtual surround sound. The expansive soundstage and precise positioning of instruments and vocals make your favorite music more penetrating, providing a more accurate, realistic, and immersive experience. Customizable True Adaptive Noise Cancelling The high-quality true adaptive noise cancelling technology can be customized within the app, precisely determining the level of outside world awareness you prefer. The Auto Compensation function