Driver unit: 10mm diameter
Impedance: 16 ohms
Frequency response: 17hz to 21khz
Sensitivity: 113 ¡à3db (at 1khz)
Maximum input power: 50mw
Plug type: 3.5mm stereo
Cord length: 1.2m
Oem order welcomed
With perfect sound effect
Buyer design the packages, the weight and dimensions is up to the design