... , work power: 4Ω3W3 , Built-in lithium battery with 600 mAh , keep up to paly 6 hours , can repeat charge . 4 , SNR ... , can connect MP3/ MP4 / Iphone / Mobile 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 input