More product information - Ideal for MP3 players What’s in the Box - 1 pair of “HK-229” on-ear stereo headphones - Operating instructions Technical Details Design (Colour, Pattern, Motif, Series) Colour Silver Line HK-229 Electrospecific Properties Frequency Range 20 Hz - 20 kHz Impedance 24 Ω Connectivity (Connection) Connection 3.5 mm Jack Plug Size & Weight Cable Length 1.5 m Speaker Diameter 30 mm Physical Properties Design On-Ear Material Synthetic Material Model Stereo Sensitivity 103 dB/ mW