Speaker: 16mm (diameter) Impedance: 32 Ohms Frequency response: 18 to 21kHz Sensitivity: 114 ±3dB (at 1kHz) Maximum input power: 50mW Plug type: 3.5mm (stereo) Perfect sound effects Cord length: 1.2m Earphones colors, cable materials, speaker specifications and headphone packages can be produced according to customers' request OEM orders are welcomed Disclaimer: All trademarks shown here are for reference purposes only. They are the property of their respective owners, and we are not authorized to sell items bearing such trademarks.