Yamaha Advanced Earbuds. Enjoy premium sound from your mp3 player, iPod, or house stereo with maximum listening comfort, sound seclusion, and high fidelity with Yamahas advanced in-ear earphones. Canal-type, in-ear earphones separate external ambient sound. Superior audio performance offers you deep bass, crisp highs, and a prolonged frequency range. Get famous Yamaha sound from your MP3 player High efficiency to maximize mp3 player battery life Rugged building, long lasting S, M, & L ear buds included Materials: Plastic. Product Dimensions: Cord: 48"L Weight: 0.35 oz.