Features:

• Extra light weight in-the-ear earphones for iPod 3G ,and also use for PC/Mp3 which is 3.5mm plug device;
• Premium sound and superior fidelity
• Type: Lateral, In-the-ear, Closed, Dynamic
• Cable length: ~118cm
• Plug: silver-plated, straight, Stereo Plug
• Plug Diameter:3.5mm
• Impedance: 8 ohms
• Sensitivity: 108 dB/mW
• Frequency Response: 20-20,000 Hz
• Weight: 42g
• Coming with a plastic transparent plastic box that you can wrap the earphone cable on it for in store;