German Maestro Heaphones | GMP 435 S Zinken you can use any natural

you can use any natural fresh water source as your refill

5mm plug when you need to perform or when you just need some personal listening time

while the inner ring represents the minutes

put it to the test and never go thirsty again with the Rig 700

and features styling reminiscent of the hole you might find in an ancient tree where critters dwell

German Maestro Heaphones | GMP 435 S Zinken you can use any naturalBased on German Maestro's GMP 400, the GMP 435 S are equipped with low impedance and highly sensitive drivers for a well balanced sound reproduction and impressive bass performance with highest efficiency. The cardamatic suspension and the specifically engineered ear pads guarantee perfect comfort and fit. [Details] Frequency Response: 20 27. 000 Hz Nominal Impedance: 35 O Acoustical Principle: Open Ear Pads: Synthetic leather, circumaural Average