Main Features‎:‎ ● High‎-quality performance sound with super bass‎,‎ treble and clear‎.‎● 3.5mm audio port compatible for almost all models cell phones‎.‎● Built‎-in microphone adopts noise canceling technology to obtain the distinct voice input‎.‎● Stereo player‎,‎ you will enjoy a wonderful song everywhere and also answer the phone‎.‎Specifications‎:‎Line Length‎:‎ 1.2mResistance‎:‎ 16 ohmsSensitivity‎:‎ 110dBConnectors‎:‎ 3.5mmFrequency Response Range‎:‎ 16 ‎- 23000Hz Function‎:‎ Answering Phone‎,‎HiFi‎,‎Microphone‎,‎Noise Cancelling Connectivity ‎:‎ Wired Connecting interface‎:‎ 3.5mm Application‎:‎ Computer‎,‎Mobile phone‎,‎Portable Media Player‎,‎Sport Package weight‎:‎ 0.054 kg Package size ‎(‎L x W x H‎)‎‎:‎ 6.50 x 2.00 x 14.00 cm / 2.56 x 0.79 x 5.51 inches Package Contents‎:‎ 1 x PLEXTONE X30M Earphone‎,‎ 1 x Clip‎,‎ 2 x Earbud Tip‎,‎ 1 x Bilingual User Manual in Chinese and English