Specification:
Color: Blue + black, red + black (optional)
Material: ABS+PU leather
Size: length 17.5CM, thickness 2CM, width 14.5CM (length and width can be adjusted)
Earmuff: diameter 6CM thickness 3.5CM
Earphone length: 140CM
Audio plug diameter: 3.5mm
Rated power: 100MV
Range of frequency response: 20HZ--20KHZ
Speaker diameter: 40 (phi mm)
Sensitivity: 105 (dB)
Impedance: 32 (Ω)
Distortion rate: 0.1 (%)
The use of headphones: telephone answering, listening to music, QQ voice chat, office use, Internet cafes and so on. Wide range of uses

Features:
1.High Quality Audio Listening Experience.
2.Noise Isolation.
3.Deep Rich Bass Frequencies.
4.Comfortable design for all kinds of ear.