... loudspeaker 3 input:Bluetooth,AUX IN,USB Bluetooth speaker detailed description and specifications1 , Products size: 180X180X180mm 2 , work power: 4Ω3W3 , Built-in lithium battery with 600 mAh ... phone / IF Card9 , Speaker use full antimagnetic design, do not interference to other goods 10, with CE and BQB cetificate bluetooth speaker, with AUX IN,USB ...