Key benefits Versatile wired and wireless modes: Over head headphones with Bluetooth 5.1 and a 3.5mm audio cable. Use wireless mode for convenience or switch to wired when the battery runs out, so the headphones never power off. Enjoy more stable transmission speed, lower latency and better audio output. Clear calls and easy controls: Builtin microphone for hands calls. Four buttons handle play/pause, previous/next track, volume up/down, and answer/end calls with a touch. Comfortable and portable design: Overear cushions made from soft memory foam for allday comfort. Adjustable headband and flexible earmuffs fit most head shapes without pressure. Ear cushions emulate human skin texture for lasting comfort. Foldable design makes the headphones easy to carry and store. sound with noise isolation: 40mm neodymium drivers deliver HD stereo and deep bass. Full wraparound earmuffs with passive noise isolation reduce external noise by up to 95%, helping you focus on music or conversations. Specifications and compatibility Bluetooth: Version 5.1 for stable wireless connection and improved audio performance. Drivers: 40mm neodymium for clear highs, detailed mids and strong bass. Audio input: Wireless Bluetooth or wired via included 3.5mm audio cable. Fit: Overear, memory foam cushions, adjustable headband, foldable for portability. Microphone: Builtin for hands calls. Controls: Play/Pause, Previous/Next, Volume Up/Down, Answer/End calls. Practical use scenarios Home, office or on the go: Enjoy music, podcasts and calls with the flexibility of switching between wired and wireless modes as needed. Travel and daily commuting: Foldable design and portable form factor make it easy to carry in a bag or backpack. Video watching and gaming: Bluetooth 5.1 provides stable connection with reduced latency, improving audio synchronization with onscreen action.