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 dBSpeaker: external diameter45mm, magnetically shielded, 4ohmExternal 3.5mm stereo audio cable plug,External USB power cableUSB 5V DC-5V power supply or power adapterProduct size: 74.5*50*52mm*2(pair box)Can link to your MP3 MP4 CD DVD iPod, computer and Cell Phone., play music

picture show:

SPK-006