Stylish in ear with contoured sport ear hooks provides convenience, comfort, and great sound quality while you carry on conversations on your iPhones/mobile devices or listen to your favourite music on MP3 or iPod devices when you are on the move such as working out or walking. Lightweight and comfortable in ear fit earbuds creates a perfect seal between the ambient sound sources and your ear canal, eliminating unwanted background noises while delivering sound directly to your ears. Flexible and bendable contoured ear hooks. Made of high quality and durable soft plastic stay on your ears comfortably during movements. Running earphones with ear hook attachment. Ear hook design ensures comfortable, secure fit during exercise. Deliver high performance sound Fitted in ear buds prevent unwanted background noise Transducer 9U Impedance 32 15% Sensitivity 100, 6DB at 1KHz, 6mW Rated Output Power 10mW Max input Power 20mW