Active Noise Cancelling Technology: Fit snugly for physical noise reduction and electronic noise cancellation to quell 90% ambient noise. (Kindly note: NOT 100% noise canceling.Human voice can not be eliminated and the ANC is less effective in quiet environment.) The latest stable Bluetooth V5.3 range - 30-50feet without obstacles

Side Square Buttons: Redesigned the buttons at the bottom of ear-cup. More clean look and more convenient operation by physical buttons

Cool Metal Drawing Process: Chic style for Srhythm NC25Pro.Premium sound for daily use

Light and Comfortable: 0.4lb ultra-light weight basing on durable structure and materials. Compact folding portable design for travel and school. Comfort even when wearing a pair of glasses

50ms Low Latency: Better experience for playing. Up to 40hours Bluetooth and music time from a single charge. A quick 10-minute charge offers 3hours. Support 3.5mm audio cable for longer use when in low battery(Kindly note:still need little power for wired mode)