3.5 mm audio interface for direct wired connection: Connect earphones directly through a 3.5 mm plug and enjoy quality music playback without external power. The wired mode provides good noise reduction and all functions remain available when using the 3.5 mm connection. Earmuff design for comfort: No ear pressure during wear. Made with elastic protein materials for a soft texture and air permeability, helping to improve longwearing comfort. Ergonomic, adjustable fit: Designed to reduce head pressure with an ergonomic profile. Size can be adjusted, and the earmuffs can be tilted and adjusted at multiple angles to fit different head shapes and preferences. Bluetooth 5.0 performance: Lower power consumption, faster transmission rate, and a more stable signal. Practical use scenarios: Daily listening and music/video playback in wired mode: Use the 3.5 mm interface for quality audio without battery usage, with all functions accessible. Wireless listening and calls on the go: Bluetooth 5.0 delivers extended range, lower power use, and stable connectivity for music, videos, and calls. Home, office, or study sessions: Comfortable allday wear with adjustable headband and earmuffs, suitable for long study or work sessions while maintaining reliable signal and sound quality.