The FiiO E02i Rocky is an 'in-line' headphone amp designed expressly for the Apple iPhone. Features include source volume button and complete 'hands-free' talk/call answer + music control. Very small amplifier design with integral pocket clip allows easy portability and unobtrusiveness in tandem with your iPhone. Cleanly boosts iPhone volume levels and improves sound quality of good portable headphones and headsets. Compatible with iPhone 3GS/4/4S/5. Built-in 31" inch cable.
|Headphone Impedance||16 - 150 ohms|
|Frequency Response||20 Hz - 20 kHz|
|Battery||Internal rechargeable lithium-ion|
|Power Supply||USB 5V/500mA|
|Cable Length||31.5" (80.01cm)|
|Dimensions||0.9x2.3x0.6" (2.28x5.84x1.52cm) with clip|