Model 290A Quantity 1 Piece Color Blue Material ABS Compatible Models Ipad / Iphone Connection 3.5mm Jack Impedance 150ohm +/- 20% Sensitivity 111dB +/- 3% Frequency Response Range 20~20000Hz Cable Length 45~200cm Volume Control No Pick Up or Hang Up Yes Other Features Improved call comfort; Allows access to phone function when making calls; Eliminates over 96% of absorbed phone radiation; Turns your tablet computer into a telephone via Skype or VoIP applications; Noise reduction system; Works with all mobile devices USB adapter and splitter cable available as accessories. Packing List 1 x Headset