Maxell EB-95 Earbuds Ideal for MP3, CD players and all portable stereo devices. Lightweight ear buds design for extended use. Dynamic sound reproduction from all sources. Specifications Type: Dynamic Earbuds Impedance: 32 ohms ± 10% Magnet: Anisotropic Ferrite Film: 0.009mm Coil: 7.3mm Sensitivity: 95 dB ± 3dB Channel Balance: < 3 dB Rated Input: 1 mW Maximum Input: 5 mW Frequency Response: 20-23,000 Hz Plug: Silver Plated 3.5mm L-plug Manufacturer Ref: 190560