JVC canal type earphone Red HA-FXH10-R Model: dynamic type. Playback frequency band: 10Hz ~ 24,000Hz. Output sound pressure level: 102dB / 1mW. Maximum allowable input: 150mW. Impedance: 20. Code: 1.2m (Y type), wiht 3.5mm nickel-plated L-shaped stereo mini plug. Weight: about 3.8g (without code) Accessories: earpiece (S, M, L or 2 each) Newly developed Direct top mount structure deliver high quality sound.