IP4472L Features Superb sound quality Soft earbuds make them comfortable to wear Built-in microphone for hands-free calling Convenient 1.2 m cable Universal 3.5mm plug General Specs Brand & Model Langston i-15 Sound Excellent bass stereo sound Type Wired earphones Microphone Yes Volume Control N/A Impedance  32 ohms Frequency Response 13Hz-22.5kHz Sensitivity 110 dB Connector 3.5 mm audio jack Cable Length 1.2 m Compatibility iPhone， iPad， cell phone， tablet PCs and other portable devices with a 3.5 mm audio jack Package Details Weight: 38.52 g Size: 18.5*9*2 cm

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