Pioneer Electronics has released a new set of water-resistant, washable earbud headphones -- intended for exercising or other activities where sweat, dust or risk of water immersion is an issue. The SE-CL331 earbuds (U.S. website not yet updated) are safe in up to one meter (3.3 feet) of water and come with four interchangeable ear tips, as well as an extra-long 3.9-foot cord for increased flexibility.