L2go 3.5mm Mini Portable Stereo Speaker for iPod iPhone MP3 MP4 Player Smartphone Tablet
L2go 3.5mm Mini-boom Portable Stereo Speaker for iPod iPhone MP3 MP4  Player Smartphone TabletDual channelWorking time: more than 10 hours (depends on battery)Output: 1W + 1W3.5mm standard connector2 speakers: 28mm in diameterFrequency range: 200Hz - 20kHzNet weight: 40g or 1.41ozSize: 80 x 80 x 30 mm (3.35 x 3.35 x 1.18 in)Impedance: 8ohmPowered by 2 AAA 3V batteries (not included)Compatible with all devices with 3.5mm connector, such as iPhone, iPod, MP3, MP4, etc.1 X Speaker