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-resistant mirror, stylish and durable. INSTRUCTIONS FOR USE: Insert a Micro-SD card in the slot. Hold key lock function, press play button to switch the FM channel 2 times. To increase or decrease volume use + / - buttons. To change the song press forward button or reverse button to listen to the previous song again. Centre button for pause or hold; press again the same button to play. Battery Type: 1 X AAA Battery (not included) Material: ABS Color: Blue Package Contents: 1 x MP3 Player 1 x Earphone (Note: Random style, cannot specify 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.