In-Ear Earphones PRODUCT CONDITION: All Products are BRAND NEW Retails for $19.99, Huge Savings Opportunity!!! Specification: 1. Speaker Dimension: 13.5mm diameter 2. Plug:Three knots stereo plug 3. Cord Length:120cm 4. Frequency response:20-20KHz. 5. Impedance:32 ohm+/-10% 6. Sensitivity: 58db +/- 2db 7. Sensitivity(S.P.L): 113dB±2dB/mW PURCHASE INCLUDES: White Earbud Headphones, Compatible with All generation iPods and iPhones.