Push your workout to the limit with headphones that are up to the task. Bose SIE2i sport headphones, customized for select Apple devices, are specifically engineered for exercise. They"re sweat- and weather-resistant, stay comfortably yet securely in place and deliver robust Bose sound to keep you energized - a combination of benefits conventional sport ear buds can"t match. Plus, the inline remote and microphone let you control music on your iPhone or iPod and take calls with one-touch ease.