... 1.Can work with MP3, MP4, and USB, TF Card 3.Digital Display Function Mini loudspeaker with USB ... years cycle time. Can be used as radio, with TF card socket, usb socket, microphone socket, audio input port ... Capacity: 1800mAhLoudspeaking time: 12-16 hoursMusic time: 6-10 hoursCharging time: 4-6 hoursDimension: 90*106*46 mmWeight: 314g Color: ... love it. Mini loudspeaker with USB FM Radio TF Card Function