PANASONIC HEADPHONES HEADPHONE SLIMZ BLUEPanasonics RPHX35 headphone series feature a lightweight design for secure but comfortable wear, even for extended periods of time. Comfortable, Smart Design The RPHX35 headphone series features a super lightweight design so that you can enjoy your favorite music recordings or watch your favorite movies for hours without experiencing head or ear discomfort. They feature a large diameter driver unit (30mm) (1316) and a frequency response of 10Hz25kHz. Great Performance for a Reasonable Price RPHX35 headphones feature a highlyefficient Neodymium magnet which allows for a deep bass response and powerful, crystalclear sound. The series also comes in a variety of colors choose your favorite color or collect the assortment so you can mixandmatch depending on your mood, need, and style.