Material and comfort: elasticity memory foam padding with a quality leatherwrapped surface. Upgraded arm frame uses metal for greater durability, with telescopic adjustment to fit a variety of head shapes and an adjustable length for comfortable wear. Foldable arm design increases storage flexibility, allowing the headset to be more compact and portable and easy to carry in handbags or luggage. Sound quality and isolation: Upgraded sound cavity design greatly improves audio accuracy and clarity, expands the sound field, and enhances bass elasticity for a real quality hifi experience. Physical noise reduction paired with an integrated microphone system provides clearer calls and chats. Driver: 40 mm large movingcoil unit delivers penetrating, bright, and active sound reproduction. Bluetooth and controls: Innovative Bluetoothcompatible chip enables nearzero latency for music and calls, lower power consumption, more stable calls, and clearer sound. Playback, volume adjustment, and answering/rejecting calls can be controlled without taking the phone. Battery and charging: Upgraded fast charging with increased battery capacity and lowpower micropower technology to meet most listening needs in typical environments. Wired mode: When connected via 3.5 mm, you can listen for extended periods with no wireless constraints. Use scenarios Daily commuting or office use: comfortable for long wear, clear calls, and easy ondevice control without reaching for your phone. Home entertainment or gaming: fidelity sound, responsive playback and volume control, and reliable wireless performance. Travel and portability: foldable arms and compact storage make it easy to carry in bags or luggage, with seamless switching between wireless and wired listening.