These JVC headphones come in an olive black color with a comfortable in-ear design that helps block noise from the environment. These in-ear headphones are accompanied by three matching silicone ear pieces in small, medium, and large sizes that provide a customized fitting, depending on the user's preference and comfort level. The JVC Gumy PLUS HA-FX5 has a slim gold plated plug that is compatible with iPhones and iPods. Furthermore, these in-ear headphones have two 11-mm (0.43-inch) drivers with neodymium magnets in order to deliver maximum bass and crisp sound. The matching cord of these JVC headphones is 3.3 feet long in length. In addition, the JVC Gumy PLUS HA-FX5 delivers a frequency response ranging from 10 Hz to 20 kHz, a nominal impedance of 16 Ohms, and a sensitivity level of 103 dB. The JVC Gumy headphones, with its soft rubber body, has a maximum input capability of 200 milliwatts, and it weighs around 0.15 oz (4.1 g).