Features:

• Extra light weight in-the-ear earphones for iPod Nano 2nd Generation, and also use for PC/MP3 which is 3.5mm plug device;
• Premium sound and superior fidelity
• Type: Lateral, In-the-ear, Closed, Dynamic
• Sleek and friendly design for active use!
• Plug: golden-plated, straight, Stereo Plug
• Plug Diameter:3.5mm
• Impedance: 32 ohms
• Sensitivity: 108 dB/mW
• Frequency Response: 20-20,000 Hz
• Weight: 41g
• Coming with a plastic transparent plastic canister for in store;