1. With memory foam filling, it is soft and comfortable to wear without pressure. 2. The earmuffs can be adjusted freely, storage as you like, and you can enjoy music at any time. 3. The earphone is designed with dual jacks and comes with two audio cables. 4. Speaker: 50 mm 5. Impedance: 32 ohms 6. Sensitivity: 110dB+3dB 7. Frequency response: 20Hz-20KHz 8. Plug type: 3.5mm/6.35mm stereo 9. Input power: 1600 milliwatts (max) 10. Cable 1: 2m-3m coiled cable 11. Cable 2: 1.2m straight cable with microphone