... and specifications1 , Products size: 70X60X60mm 2 , work power: 4Ω3W3 , Built-in lithium battery with 600 mAh , keep up to paly ... hours , can repeat charge . 4 , SNR :85DB5 , Three Input mode : Bluetooth , AUX IN 3.5, USB , SD card interface6 , Bluetooth music ... / Iphone / Mobile phone and so on 9 , Speaker use full antimagnetic design, do not interference to other goods mini portable bluetooth music ...