The U&i UiNB-6921 CLASSY MAX sets a new standard for professional-grade neckband earphones with an astounding 60 hours of talk time and 60 hours of music playback. Powered by advanced Bluetooth 5.4 technology, this premium neckband delivers exceptional call clarity and stable connectivity for business professionals, remote workers, and heavy phone users. The remarkable 500-hour standby time ensures your earphones are always ready for important calls, while the Type-C charging port provides modern, universal charging convenience. With a 10-meter transmission distance, you can move freely around your workspace or home while staying connected. The ergonomic, lightweight design offers all-day comfort for extended conference calls, long commutes, and marathon listening sessions. The magnetic earbuds provide neat storage and automatic power management, making the CLASSY MAX the ultimate choice for productivity-focused users who demand reliability and exceptional battery performance.