Feature:100% brand new and high quality.Quantity: 1Supports TF card、 USB disk、 FM、etc. (memory cards NOT included)Supports Line IN function、 receiving the audio source from MP3、 MP4、 PC、 Notebook、 iPod、 iPhone、 etc.HiFi & clear sounds and perfect tone.Built-in high capacity rechargeable battery、 support long play.Compact and portable、 convenient to carrySize: 5(H) x 5(D)cm/2.0 x 2.0inch1.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) Notice:1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.2.The colors may have different as the difference display、pls understand.