Engineered For Exercise Push your workout to the limit with headphones that are up to the task. Bose sport headphones 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. It's a combination of benefits conventional sport earbuds can't match. Compatibility: Smartphones MP3 Players Apple Devices: iPod iPhone

• This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic white or brown box.

This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic white or brown box.Bose