Uniquely designed the Panasonic RP-HJE120 has been created with a sculptured surface speaker diaphragm ensuring clear treble and rich base sound. with a specially shaped Ergofit design the headphones fit snugly inside your ears minimising background noise and maximising sound quality. Available in several unique colours the RP - HJE120 makes the perfect accessory for music lovers everywhere. Why not stand out from the crowd and match your headphones with your MP3 player? Or better still match them with your favourite clothes and accessories. At an affordable price range the RP - JE120 is a fun and stylish alternative guaranteed to brighten up your listening experience. Ergonomic design for comfortable fit. Compatible with iPod MP3 and CD players. Transparent jewel design. iPhone first generation compatible. Matches iPod Nano 5G colour. ErgoFit design. Virtual cavity enhanced sound. Frequency Range: 20-20000Hz. Impedance (Ohms): 16. Sensitivity (dB/mW): 96. Maximum Input (mW): 200. Driver Unit 9mm. Magnet Type: Neodymium magnet. Plug Type: 3.5mm stereo plug. Cord Length: 1.1m. Colour: Red. Accessories: 3 x earpieces (s/m/l).