VicTsing Baby Bedding Musical Mobile Music Box Toy Gift with 128M Micro SD Card Plays 12 Tunes Without Brackets or Toys UPGRADED VERSION, MORE FUNCTIONS. This baby musical mobile is a perfect gift for babies under 5 years old. Compared with the old one, this new version baby musical mobile has added two buttons for more functions: play/pause, loop single song /loop playlist ,previous/next track, volume control, music/rotation separation( press the mode switch button for 3 seconds while music is playing, rotation ceases). EQUIPPED WITH ONE128M MICRO SD CARD, DOWNLOAD MUSICS AT YOUR WILL. 12 baby tunes are included in the memory card. You can also download other audios such as audio stories into this musical mobile via USB cable(cable included; you do not have to draw out the card when download audios, just plug and download). Support most audio formats such as MP3, WAV,WMV. ENERGY-SAVING. This baby musical mobile is powered by only 2 AA batteries(not included but commonly available ). If no micro SD card is detected , this baby music box will automatically shut off one minutes later for saving energy. BATTERIES PROTECTION. When you connect this baby music box with your computer via USB cable to download music, the batteries will not be charged via USB cable, which protects the batteries from damage. The USB cable can only be used for data transmission. SAFETY GUARANTEE. This baby musical mobile is adopted environmentally non-toxic and durable ABS material to ensure baby safety in case of biting them. The battery slot is covered and screwed in case of mistaken ingestion. You can fix this baby musical mobile on baby crib with arms or brackets, then hang toys over the hook of the musical mobile.( (bracket and toys are not included but available or you can DIY ).