1.Control the rated volume which the mobile sent out. 2.Anti-radiation, retro, popular . 3.Compatible with iPhone .

Specifications 

1.Anti-radiation, retro, popular .2.Compatible with iPhone 3.Rubber paint,ABS,3.5M PU Cord 4.Sidekey Volume Control.answering/hanging up button5.Color:(Blue, Coral,Red, purple, yellow, pink, green, orange, black, whiter, pearly white)

1.Frequency:20-20000Hz                    

2.Sensitivity: 111dB±3%  3.Impedance: 150ohm 4.Speaker diameter: 38mm                    

 5.Cord length:2m6.Plugs type:Φ3.5 mm DC plug    7.Control the rated volume which the mobile sent out.                                                     

8..Dimension: 21*6*6.7 CM   N.W.:245g