... price+ Fast delivery 4.metallic surface trea Vibration speaker with T-flash card Works with iPod, iPhone, mobile phones, computersSupport profiles Human ... Bluetooth stereo, input Line INPower Amplifier 2.0Support TF Card Equipped with four buttons: PREV or VOL-,POWER/PLAY/PAUSE,NEXT ... iPod/iPhone, MP3/MP4 players, and moreVibration speaker with T-flash card and all of 3.5mm Port sound sources device ...