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, don't 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.