Specification:
Brand Name: REMAX
Model Number: RM-S1
Optional Color: Green, Orange, Black, Blue.
Drive: Quad-core
Impedance: 32 +-10%
Frequency response range: 18HZ-23KHZ
Sensitivity: 88+-3dB
Rated Output Power: 10m W
Distortion: <=1%

Package Included:
1 X REMAX Earphone
1 X Earphone Bag
1 X Earmuff