Main Features:Suitable for MID / MP3 / MP4 / CD / smartphone / radio / audio class computers and related products outputCompatible computer video phone calls and voiceCould phone / radio / audio class computers and related products outputCompatible with computer video phone calls and voiceCompatible with phone models: HUAWEI Blackberry， HTC， iPhone， LG， Motorola， Sony， SamsungWire type material: PPE cable， copper ring， sound filmAdvanced in ear speaker design， low mass， ultra-wide bandwidth driver for superior accuracyAll metal housing， cancels unwanted resonance for pure soundPro sound isolating ear tips， transports you to a place where it's only you and your musicPro strain relief， rugged construction withstands heavy-duty useRight angle connector， hugs player to stay out of your way， reduces wear， perfect for airline jacksMicro strand conductors， super flexible conductors for subtle detail and clear audio reproductionMagnetic flux tube， the same technology found in the speaker cables24K gold contacts， for maximum signal transfer， corrosion resistance and a beautiful lookCable management clips， controls and keeps weight off headphones so they stay snug in your earsCable solder， reduce tangles during storage and control bounce while in useCompact protective case， protect your headphones from damage， and keep them looking brand newBrand: JBMMJModel : MJ900Color : GoldWearing type : In-EarFeature: Creative pursuit vogue; Extreme clarity， deep bassFunction : Microphone， Noise Cancelling， Answering phoneHeadset type: DynamicConnectivity : WiredConnecting interface : 3.5mmApplication : Mobile Phone， Portable Media Player， Sport， DJ， ComputerCable length : 1.2mDriver unit: 9mmFrequency response : 20~20KHzImpedance : 16ohmsSensitivity : 102dBOutput power: 15mWPackage weight: 0.266 kgPackage size (L x W x H) : 20 x 14 x 6 cmPackage contents: 1 x Earphones， 1 x PC Cable， 1 x Burn-in Software CD， 3 x Earplug ( Pair )， 1 x Wire Holder， 1 x Storage Case， 1 x User Manual