FEATURES: Zip 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-ear Communication: wired Connector: 3.5mm Jack (universal) Frequency Responce: 20 to 20,000Hz Speaker: 10mm Impedance: 32 Ohms Rated Input Power: 1mW Sensitivity: 108dB 3dB/mW Cable Length: 1.2m Compatible with: Apple iPhones, iPads, Samsung Galaxy, Tabs, Google Nexus, HTC, Mobile Phones, Laptops and any other device with a 3.5mm jack!