FEATUREZip Style: Comfortable and easy to use - No more knots!Bass Boost System: Superior sound with enhanced bass!Mic and Controls: Built-in High-Grade Mic and Controls!Universal 3.5mm Jack: Universal use with Phones, Mp3 & Mp4 Players & Laptops!Specifications:Style: in-earCommunication: wiredConnector: 3.5mm Jack (universal)Frequency Responce: 20 to 20,000HzSpeaker: 10mmImpedance: 32 OhmsRated Input Power: 1mWSensitivity: 108dB 3dB/mWCable Length: 1.2mRead less