PUMA SPORT AUDIO EXCELLENCE. The Pro Performance Sport is the elite headphone every athlete needs. Whether you are setting the new 40 record or burning off that beer belly, these headphones allow you to move freely (at whatever pace) while comfortably staying on your ear. The Pro Performance Sport"s premium sound technology will give you goose bumps as you take your work out to the next level.Features:· Sport Ear-Bud earphone.· Compatible w/most phones, computers and audio devices.· In-Ear grip for smooth secure fit.· InlineMicTM· Aluminum acoustic chamber.· Active grip adjustable ear hook.· Sport clip for cable stability.· Moisture resistant cable housing.· Mesh speaker cap to reduce dust/ debris.Technical:· Driver: 14.8mm· Frequency Resp: 15Hz - 20 kHz· Cable Length: 1.2M· Connector/Jack: 3.5mm· Material: ALUMINUM/