The RP-HJE300 in-ear stereo headphones from Panasonic bring great sound quality into a compact and affordable package. Ideal for use with all types of portable media players, the headphones feature neodymium drivers to provide a full frequency response. The headphones come complete with 3 different sizes of soft rubber eartips to provide the highest levels of comfort and noise isolation. The cable has a convenient Y-slider to help reduce tangles, and the 3.5mm stereo plug is compatible with MP3 players, CD players, computers, and other devices. Features: Compact in-ear design Soft rubber eartips in 3 sizes for comfort and noise isolation Neodymium drivers for high-quality sound Y-slider on cable helps minimize tangles Specifications: Type: In-Ear Frequency Range: 6Hz - 25kHz Impedance: 16 Ohms Sensitivity: 104dB Maximum Input Power: 200mW Connectors: Standard 3.5mm Stereo Mini Plug Cable Length: 3.9' (1.2 m)