Driver unit: 15mm diameter Impedance: 32 Ohms Frequency response: 17Hz to 20kHz Sensitivity: 115 ±3dB (at 1kHz) Maximum input power: 50mW Plug type: 3.5mm stereo Perfect sound effects Cord length: 1.2m OEM order is welcomed Earphone colors, cable materials, speaker specifications and headphone packages can be produced according to customers' requests 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.