Feature
Be equipped Ipod dock, charging ipod when ipod insert in dock(ipod mini/ ipod nano)
Built-in audio jack and audio cable. MP3, MP4, laptop, PC etc. competible.
Built-in high performance long-excursion full-range micro-drive unit.

Specifications
Dimension: Dia:33.5*31*17.2mm
Voice Coil Imp: 4 Ohm +,- 15% At 1000 Hz 1.0V
Input Power: Nominal Input 3.0 W
Resonance FO: 40 Hz +,- 20% Hz Input 1V without A baffle
Output SPL: 94dB +,- 3dB
Response: SPL-20dB FO-20K Hz MAX
Polarity: When a positive D.C. current is applied to the voice coil terminal marked to the diaphragm shall move forward
Operation Test: Must be normal at program Source (3.0 W)
Buzz Rattle Etc: Must be normal at Sine wave (3.46V)
Load Test: After test meet item White noise (3.0W 96 Hours)
Distortion: 10% Max AT 1000 Hz 1.0W
Magnet: Ferrite alnico Nd - Fe - B
Total Weight: 27.6g