IP4466W Features Stereo sound effect Standard 3.5 mm audio plug Attached with a 1.2 m cable Compatible with all 3.5 mm jack digital devices Allows you to enjoy your favorite music at anytime Enjoy hands-free calling with the built-in microphone General Specs Brand & Model LANGSTON Q3   Sound Stereo Type In-ear  Microphone Yes Frequency Response 13-22500Hz Sensitivity 110dB/V Impedance  32ohm Connector 3.5 mm audio jack Cable Length 1.2 m Compatibility iPhone， iPod， iPad and other 3.5 mm audio jack digital devices Package Details Weight: 22.47 g Size: 14.3*8*2 cm