1.power:3W
2.frequency range: 118 Hz
3.horn size: 40 mm 4 the 3 W
4.usb supplies power
5. 80 db SNR frequency

Specifications:
Output power:RMS 2W THD=10%
Frequency Response:150-18000HZ(+/-3dB)
SNR:≥70 dB
Speaker: external diameter45mm, magnetically shielded, 4ohm
External 3.5mm stereo audio cable plug,External USB power cable
USB 5V DC-5V power supply or power adapter
Product size: 74.5*50*52mm*2(pair box)
Can link to your MP3 MP4 CD DVD iPod, computer and Cell Phone., play music

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