Specification: 100% Brand New.Supports TF card、 USB disk、 FM、etc. (memory cards NOT included)Supports Line IN function、 receiving the audio source from MP3、 MP4、 PC、 Notebook、 Pod、 Phone、 etc.HiFi & clear sounds and perfect tone.Built-in high capacity rechargeable battery、 support long play.Compact and portable、 convenient to carry Features:1.This speaker has 4 modes: FM Radio Mode、 TF card mode、 USB disk mode、 Line-in mode.2.Press and Hold the Play/Stop button more than 2 seconds to switch Mode.3.Press and Hold the back or forward button to adjust the volume. Package Content: 1 x Speaker1 x USB 2 in 1 line (charge+ audio)