The Panasonic HV104 is the perfect companion for your iPods, mobile phones and more with a great sound output. The earphones have wide frequency response of 20Hz to 25kHz. The 3.5mm jack of these Panasonic earphones makes it easy to connect it to any device for a universal compatibility. The use of Neodymium magnet offers highly sensitive audio output with clear, crisp sounds when watching movies or listening to music. Weighing just 5g in weight, these earphones can be easily carried along.