How to use: just copy music from your smartphone or PC with your SD card to the Mymahdi player, you can enjoy the music you want, it can also be used as a card reader Expandable to 64GB: Card slot provided for more music and audiobooks etc., maximum support 64GB TF card. (Note: the card is not included) Multifunctional: music player, photo viewer, e-book reader, voice recorder, FM radio and video movies, multilingual system providing a better experience, perfect for going out, traveling and entertainment Built-in rechargeable battery: can be used around 40 hours after fully charged and only need to charge 3 hours, easy to handle and a packed USB cable and earbudshe best gift for children. Connectivity technology: USB Language: English, German, French, Italian, Dutch, Portuguese, Spanish, Russian, Hebrew, etc. Color: Black, Blue, Sliver, Red, Orange, Pink, Purple Screen size: 1.8 inch Memory storage capacity: 8G, 16G, 32G(option) Component type: Battery(include 200 mAh polymer lithium battery) Weight: 1.1 oz Package List: 1 x Music player 1 x USB cable 1 x Headphones 1 x User Manual 1 x Warranty card 1 x Box