[. . . ] [. . . ] The in-ear isolation design blocks background noise and delivers clear sound. Soft Silicone-Rubber ear cushions in three different sizes are included to ensure a perfect fit and great wearing comfort. 15, 2010 Chain Store (MSRP): US$/€ 9. 9 Non-Chain Store (MSRP): US$/€ 10. 9 Models - Kiwi Green - Sunny Orange - RB550 HP-02 Live Package Technical Specification: Frequency response: 18Hz ~ 20KHz Impedance:32ohm±20% Sensitivity:101±4dB Cable length: 1. 2 meters Package Contents: RB550 Headphones Three cushion sizes Multi-language quick guide WEEE information: Body Weight (g): 12. 3g Cable Length: 1200±50 mm Gift box size: 55 x 170 x 34mm Carton size: 345 x 320 x 440 mm CUFT: 1. 72 CUFT P/N EAN UPC Kiwi Green 31710163100 4710268 235743 091163 235743 Sunny Orange 31710165100 4710268 235835 091163 235835 Specification Frequency Sensitivity Impedance Weight Cable length Noise-isolation Shipping Pcs per carton CUFT 100 1. 72 100 1. 72 18Hz~20KHz 101±4dB 32ohm 12. 3g 1. 2m Yes 10Hz~20KHz 103dB 32ohm 14. 57g 1. 5m Yes Recommended Products: SW-J2. 1 500 SW-Flat2. 1 800 SW-J2. 1 1200 SP-T120 [. . . ] [. . . ]