Fangrui Product Details Graphic Menu: One-touch Button, Easy To Operate. Plug And Play: No Software Required And Plugs Directly In, No Need For Any Leads Or Installation. Fashion Style: Nano Wear- Mirror, Stylish And . Instructions For Use: Insert A Micro-sd Card In The Slot. Hold Key Lock Function,play Button To Switch The Fm Channel 2 Times. To Incerase Or Decease Volume Use+/- Buttons. To Change The Song Forward Button Or Revese Button To Listen The Same Song Again. Centre Button For Pause Or Hold Again The Same Button To Play. Battery Type: 1 X Aaa Battery (without) Material: Abs Colour: Blue Package Contents: 1 X Mp3 Player 1 X Earphone(note: Random Style, Dont Accept The Specified Style.) Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.