Technical compliance mark certified product (frequency band: 2.4G band) Wireless audio performance recognized by the world. A lightweight over-ear model designed for ease of use. The ATH-M20x is a professional monitor headphone that is highly rated in studios around the world and is an introductory model to the M series. Studio sound with a long history can now be carried anywhere. Portable studio sound wirelessly. Equipped with a φ40mm CCAW voice coil driver that uses a strong magnetic magnet. You can wirelessly carry the sound quality of the ATH-M20x, which allows high-resolution monitoring with wideband and flat characteristics. Designed for sound insulation and durability. Adopts oval shaped ear cups that improve sound insulation. Adopts an over-ear style that covers the ears and provides excellent sound isolation even in loud environments. Lightweight body designed for studio monitors with excellent durability. Professional ear pads and headband material provide durability. Furthermore, it weighs approximately 216g, making it one of the lightest over-ear headphones in its class, making it comfortable to use even for long periods of time. Low Latency Mode to reduce the lag between sound and video. When playing games or watching videos on your smartphone or tablet, if you notice a lag between sound and video, turn on low latency mode. Immerse yourself in your favorite content without worrying about sound delays.