Altec Lansing Sports In-Ear Waterproof Bluetooth Earphones (MZX399-BLU-WM) are earbuds designed for portable audio use. They feature a reflective cable, rechargeable battery, and IP67 waterproof rating. The earbuds are wireless and use Bluetooth technology for connectivity. The fit design is in-ear only, and the earpiece design is earbud. The product is available in blue color and is part of the Altec Lansing brand. The package has been opened but the earphones appear to be unused.