WH-HP8027

Key Specifications/ Special Features:

Wired stereo headphone with Mic and volume control for mobile phones / tablets / laptops / desktops
3.5mm universal plug. 
Stylish foldable design, single-side 3.0mm fabric braided sturdy tangle-free cable
Noise-isolation, nice stereo sound
Soft ear cups provide comfort
Speaker diameter: 40mm
Frequency response: 20Hz-20KHz
Sensitive: 110dB±5dB/1KHz or 85dB limited to protect Kids Hearing. 
Impedance: 32Ω
Rated power: 15mW
Max power: 30mW