3.5mm Connector Mini Compact Stereo Speaker Amplifier Microphone Loudspeaker for Phone MP3 MP4 PAD All Device With 3.5mm Jack White

Description: Compatible with: iPhone, iPod, Nano, MP3, MP4, etc.all devices with 3.5mm connector Dual channel Working time: more than 10 hours (depends on battery) Output: 1W + 1W 3.5mm standard connector 2 speakers: 28mm in diameter Frequency range: 200Hz - 20kHz Battery:2 xAAA ( NOT INCLUDED ) Size:Approx.3.35 x 1.18 in(8*3cm) Material:Plastic Package Includes: 1 x MINI Speaker