Speaker Parameters
Output Power:RMS 3W THD=10%
Frequency Response:150Hz-18,000Hz(±3dB)
Speaker:1.77 inches(OD:45mm)Magnetically shielded: 4 ohms
Save/Download:download via USB data cable,no card reader required.
Power Input:USB power adapter cable or 5V/1000mA AC adapter.
Micro-SD Card
Line in USB