Brand new and high quality.
High Performance Powerful Bass Stereo Communication Headphone
Adjustable Telescopic Head Beam
With Built-in Microphone
3.5mm Gold-plated Audio Plug
Lightweight design, Foldable and Portable
Specifications:

Driver diameter: 40mm
Impedance: 32 Ohms
Sensitivity: 110dB ± 3dB
Frequency response: 20Hz – 20KHz
Color: Light blue, Pink, Purplish red, Black, White, Dark blue
Cable length: 4 Feet
Plug type: 3.5mm Stereo
Compatible with:

iPhone, iPad, iPod, PC, Tablets, Laptop, Desktop, Notebook, Macbook, MP3, MP4, etc.
Smartphones such as Samsung, HTC, Blackberry, etc.
Other Devices with 3.5mm Audio Jack
Notes:

Never use the headphones while riding a bicycle, motor bike or while driving a car For Your Traffic Safety .
Never pull at the cable while using the headphones otherwise it may be broken down.