Features: 1. High-precision 50mm driver brings you a realistic sound field with clear and shocking sound. 2. The earmuffs are made of skin-friendly leather material and the super-soft outer ear pads are more comfortable to wear for a long time. 3. Braided steel wire, long-lasting stretching, effectively reducing external resistance and preventing wire entanglement. 4. Adopts 3.5mm audio jack, providing simple wired connection for multiple devices without Bluetooth. 5. Two modes: children mode (85dB+/-3dB), adult mode (94dB+/-3dB), long press the switch to switch. 6. It adopts retractable arms + floating earmuffs, which can be adjusted by up and down and floating earmuffs to achieve a multi-dimensional fit.