Features Specifications:
Speaker Driver:1.5" 4OHM 3W S/N Ratio:60dB Input impedance:10KOHM Lithium battery capacity:3.7V 250mA/H Input Sensitivity:600my Frequency Response:150Hz~180KHz Output Power:2W Work:>90 minute Dimension:58*31mm Be applicable to:MP3/MP4/NPC/PDA/PSP/
PC/MD/CD/Walkman/IPOD/Mobile.
QQ:14412348