Baby's companion Hang on a cradle or stroller to provide a comfortable environment and atmosphere for the baby. Suitable for every little baby. Disk storage function U product The product has a Built-in trans-flash card, which can be connected to the computer via USB cable to store USB disk, download or download songs.Playing format: MP3 WAV WMV and other format files. Arouse the interest Develop and develop children's interests to learn more new things. Inspire your child's imagination and creativity. listen to music Rotate while listening to music, to make the baby even more fun.Improve the cognitive and hearing abilities of music. Material The plastic material is safe, non-toxic for the baby and reliable to use. Worth your choice! SpeciCATion: Condition: 100% brand new Item type: Crib music box Color: white Material: plastic Switch button: 1. Long press the button to turn the machine on and off. When the machine is turned on or off, a prompt will be displayed. 2. Short press the button to play / pause. During playing, short press the button once to pause, then press again to resume playing. Mode button: 1. Short press to select cycle mode: the default mode is all cycle mode, press once for a cycle; press again (two clicks) for full cycle. 2. Long press to control motor working condition, long press motor to stop working; long press again to resume work. Previous song button / volume down: short press the previous song button; long press the button to decrease the volume. Next song / volume increase button: Short press the next song button; Long press the button to increase the volume. Electrical parameters: Working voltage: DC3V 2 x AA1.5v battery (not supplied) Operating current: 300mA Input voltage: USB = DC5V 100mA List of packages: 1 x music box 1 x USB cable 1 x manual